Question

find fourth proportion of 6 , 18 ,20 ​

Answer 1

Answer:

6

Step-by-step explanation:

PRODUCT OF EXTREMES = PRODUCT OF MEANS

6×x = 18×20

6× x = 360

x= 360/60= 6

Answer 2

Answer:

PRODUCT OF EXTREME= PRODUCT IF MEANS

18X20= 360

6x= 360

x= 60

Simple answer:

6x3=18

20x3= 60

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