Home / 22,614.54-31,208.29-12,543.97

Finding the Fourth Proportional to 22,614.54, 31,208.29 and 12,543.97

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Solution

The fourth proportional to 22,614.54, 31,208.29 and 12,543.97 is: 17,310.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,614.54 : 31,208.29 = 12,543.97 : x
  2. Step 2: Convert to fraction form
    22,614.54/31,208.29 = 12,543.97/x
  3. Step 3: Cross multiply
    22,614.54x = 31,208.29 × 12,543.97
  4. Step 4: Simplify right side
    22,614.54x = 391,475,890.42
  5. Step 5: Solve for x
    x = 391,475,890.42/22,614.54
  6. Step 6: Final answer
    x = 17,310.80

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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.