Home / 22,359.97-30,854.28-13,407.85

Finding the Fourth Proportional to 22,359.97, 30,854.28 and 13,407.85

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Solution

The fourth proportional to 22,359.97, 30,854.28 and 13,407.85 is: 18,501.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,359.97 : 30,854.28 = 13,407.85 : x
  2. Step 2: Convert to fraction form
    22,359.97/30,854.28 = 13,407.85/x
  3. Step 3: Cross multiply
    22,359.97x = 30,854.28 × 13,407.85
  4. Step 4: Simplify right side
    22,359.97x = 413,689,558.10
  5. Step 5: Solve for x
    x = 413,689,558.10/22,359.97
  6. Step 6: Final answer
    x = 18,501.35

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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.