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F the first three numbers of a proportion are 19, 38, 11, find the fourth proportional is
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F the first three numbers of a proportion are 19, 38, 11, find the fourth proportional is

User Miemengniao
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1 Answer

3 votes
Answer : 22
Step by step explanation
Let the number be x
19:38::11:x
19x = 38*11
x = 38*11/19
x =11*2
x = 22
Hope that you get the answer
User Calie
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