Home / 27,757.38-38,305.19-15,182.13

Finding the Fourth Proportional to 27,757.38, 38,305.19 and 15,182.13

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Solution

The fourth proportional to 27,757.38, 38,305.19 and 15,182.13 is: 20,951.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,757.38 : 38,305.19 = 15,182.13 : x
  2. Step 2: Convert to fraction form
    27,757.38/38,305.19 = 15,182.13/x
  3. Step 3: Cross multiply
    27,757.38x = 38,305.19 × 15,182.13
  4. Step 4: Simplify right side
    27,757.38x = 581,554,374.25
  5. Step 5: Solve for x
    x = 581,554,374.25/27,757.38
  6. Step 6: Final answer
    x = 20,951.34

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Half scale
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Double scale
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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.