Home / 16,247.60-22,432.11-13,270.58

Finding the Fourth Proportional to 16,247.60, 22,432.11 and 13,270.58

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Solution

The fourth proportional to 16,247.60, 22,432.11 and 13,270.58 is: 18,321.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,247.60 : 22,432.11 = 13,270.58 : x
  2. Step 2: Convert to fraction form
    16,247.60/22,432.11 = 13,270.58/x
  3. Step 3: Cross multiply
    16,247.60x = 22,432.11 × 13,270.58
  4. Step 4: Simplify right side
    16,247.60x = 297,687,110.32
  5. Step 5: Solve for x
    x = 297,687,110.32/16,247.60
  6. Step 6: Final answer
    x = 18,321.91

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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.