Home / 22,572.35-31,149.93-12,500.57

Finding the Fourth Proportional to 22,572.35, 31,149.93 and 12,500.57

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Solution

The fourth proportional to 22,572.35, 31,149.93 and 12,500.57 is: 17,250.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,572.35 : 31,149.93 = 12,500.57 : x
  2. Step 2: Convert to fraction form
    22,572.35/31,149.93 = 12,500.57/x
  3. Step 3: Cross multiply
    22,572.35x = 31,149.93 × 12,500.57
  4. Step 4: Simplify right side
    22,572.35x = 389,391,880.46
  5. Step 5: Solve for x
    x = 389,391,880.46/22,572.35
  6. Step 6: Final answer
    x = 17,250.83

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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.