Home / 22,609.38-31,201.32-12,538.24

Finding the Fourth Proportional to 22,609.38, 31,201.32 and 12,538.24

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Solution

The fourth proportional to 22,609.38, 31,201.32 and 12,538.24 is: 17,302.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,609.38 : 31,201.32 = 12,538.24 : x
  2. Step 2: Convert to fraction form
    22,609.38/31,201.32 = 12,538.24/x
  3. Step 3: Cross multiply
    22,609.38x = 31,201.32 × 12,538.24
  4. Step 4: Simplify right side
    22,609.38x = 391,209,638.48
  5. Step 5: Solve for x
    x = 391,209,638.48/22,609.38
  6. Step 6: Final answer
    x = 17,302.98

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Half scale
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Double scale
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Similar ratio
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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.