tentukan nilai yg belum diketahui supaya setiap pernyataanbenar a.6/24 = .../21 = .../28 b.../20 = .../25 = 6/30 c.../27 =8/36 = ..,/63 d.../8 = 15/... = 24/32

a. 6/24 = .../21 = ..../28
6/24 = x/21
21x6 = 24x
126 = 24x
x = 126/24
x = 5,25

6/24 = x/28
28x6 = 24x
168 = 24x
x = 168/24
x = 7

b. ..../20 = ..../25 = 6/30
x/20 = 6/30
30x = 120
x = 4

x/25 = 6/30
30x = 150
x = 5

c. ..../27 = 6/36 = ..../63
x/27 = 6/36
36x = 162
x = 4,5

x/63 = 6/36
36x = 378
x = 10,5

d. ..../8 = 15/..... = 24/32
x/8 = 24/32
32x = 192
x = 6

15/x = 24/32
24x = 480
x = 20