Home / 22,660.59-31,276.61-12,592.49

Finding the Fourth Proportional to 22,660.59, 31,276.61 and 12,592.49

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Solution

The fourth proportional to 22,660.59, 31,276.61 and 12,592.49 is: 17,380.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,660.59 : 31,276.61 = 12,592.49 : x
  2. Step 2: Convert to fraction form
    22,660.59/31,276.61 = 12,592.49/x
  3. Step 3: Cross multiply
    22,660.59x = 31,276.61 × 12,592.49
  4. Step 4: Simplify right side
    22,660.59x = 393,850,398.66
  5. Step 5: Solve for x
    x = 393,850,398.66/22,660.59
  6. Step 6: Final answer
    x = 17,380.41

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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.