Finding the Fourth Proportional to 21,224.36, 31,836.18 and 7,373
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Solution
The fourth proportional to 21,224.36, 31,836.18 and 7,373 is: 11,059.37
Step by Step Solution
- Step 1: Write the proportion equation
21,224.36 : 31,836.18 = 7,373 : x - Step 2: Convert to fraction form
21,224.36/31,836.18 = 7,373/x - Step 3: Cross multiply
21,224.36x = 31,836.18 × 7,373 - Step 4: Simplify right side
21,224.36x = 234,728,155.14 - Step 5: Solve for x
x = 234,728,155.14/21,224.36 - Step 6: Final answer
x = 11,059.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.