Home / 22,572.48-31,150.11-12,500.70

Finding the Fourth Proportional to 22,572.48, 31,150.11 and 12,500.70

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Solution

The fourth proportional to 22,572.48, 31,150.11 and 12,500.70 is: 17,251.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,572.48 : 31,150.11 = 12,500.70 : x
  2. Step 2: Convert to fraction form
    22,572.48/31,150.11 = 12,500.70/x
  3. Step 3: Cross multiply
    22,572.48x = 31,150.11 × 12,500.70
  4. Step 4: Simplify right side
    22,572.48x = 389,398,180.08
  5. Step 5: Solve for x
    x = 389,398,180.08/22,572.48
  6. Step 6: Final answer
    x = 17,251.01

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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.