Home / 22,615.43-31,177-16,239.98

Finding the Fourth Proportional to 22,615.43, 31,177 and 16,239.98

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Solution

The fourth proportional to 22,615.43, 31,177 and 16,239.98 is: 22,387.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,615.43 : 31,177 = 16,239.98 : x
  2. Step 2: Convert to fraction form
    22,615.43/31,177 = 16,239.98/x
  3. Step 3: Cross multiply
    22,615.43x = 31,177 × 16,239.98
  4. Step 4: Simplify right side
    22,615.43x = 506,313,856.46
  5. Step 5: Solve for x
    x = 506,313,856.46/22,615.43
  6. Step 6: Final answer
    x = 22,387.98

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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.