Home / 16,175.28-22,321.56-9,101.76

Finding the Fourth Proportional to 16,175.28, 22,321.56 and 9,101.76

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Solution

The fourth proportional to 16,175.28, 22,321.56 and 9,101.76 is: 12,560.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,175.28 : 22,321.56 = 9,101.76 : x
  2. Step 2: Convert to fraction form
    16,175.28/22,321.56 = 9,101.76/x
  3. Step 3: Cross multiply
    16,175.28x = 22,321.56 × 9,101.76
  4. Step 4: Simplify right side
    16,175.28x = 203,165,481.95
  5. Step 5: Solve for x
    x = 203,165,481.95/16,175.28
  6. Step 6: Final answer
    x = 12,560.25

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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.