Home / 27,491.38-37,938.10-14,916.13

Finding the Fourth Proportional to 27,491.38, 37,938.10 and 14,916.13

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Solution

The fourth proportional to 27,491.38, 37,938.10 and 14,916.13 is: 20,584.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,491.38 : 37,938.10 = 14,916.13 : x
  2. Step 2: Convert to fraction form
    27,491.38/37,938.10 = 14,916.13/x
  3. Step 3: Cross multiply
    27,491.38x = 37,938.10 × 14,916.13
  4. Step 4: Simplify right side
    27,491.38x = 565,889,631.55
  5. Step 5: Solve for x
    x = 565,889,631.55/27,491.38
  6. Step 6: Final answer
    x = 20,584.26

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Double scale
Find fourth proportional to 27,492.38, 37,939.48 and 14,917.13
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.