Home / 22,555.92-31,126.55-12,484.11

Finding the Fourth Proportional to 22,555.92, 31,126.55 and 12,484.11

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Solution

The fourth proportional to 22,555.92, 31,126.55 and 12,484.11 is: 17,227.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,555.92 : 31,126.55 = 12,484.11 : x
  2. Step 2: Convert to fraction form
    22,555.92/31,126.55 = 12,484.11/x
  3. Step 3: Cross multiply
    22,555.92x = 31,126.55 × 12,484.11
  4. Step 4: Simplify right side
    22,555.92x = 388,587,211.70
  5. Step 5: Solve for x
    x = 388,587,211.70/22,555.92
  6. Step 6: Final answer
    x = 17,227.73

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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.