Home / 16,432.45-22,679.13-9,359.53

Finding the Fourth Proportional to 16,432.45, 22,679.13 and 9,359.53

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Solution

The fourth proportional to 16,432.45, 22,679.13 and 9,359.53 is: 12,917.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,432.45 : 22,679.13 = 9,359.53 : x
  2. Step 2: Convert to fraction form
    16,432.45/22,679.13 = 9,359.53/x
  3. Step 3: Cross multiply
    16,432.45x = 22,679.13 × 9,359.53
  4. Step 4: Simplify right side
    16,432.45x = 212,265,997.61
  5. Step 5: Solve for x
    x = 212,265,997.61/16,432.45
  6. Step 6: Final answer
    x = 12,917.49

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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.