Home / 22,542.84-31,108.95-13,472.35

Finding the Fourth Proportional to 22,542.84, 31,108.95 and 13,472.35

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Solution

The fourth proportional to 22,542.84, 31,108.95 and 13,472.35 is: 18,591.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,542.84 : 31,108.95 = 13,472.35 : x
  2. Step 2: Convert to fraction form
    22,542.84/31,108.95 = 13,472.35/x
  3. Step 3: Cross multiply
    22,542.84x = 31,108.95 × 13,472.35
  4. Step 4: Simplify right side
    22,542.84x = 419,110,584.76
  5. Step 5: Solve for x
    x = 419,110,584.76/22,542.84
  6. Step 6: Final answer
    x = 18,591.74

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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.