Home / 16,001.57-22,086.11-9,719.21

Finding the Fourth Proportional to 16,001.57, 22,086.11 and 9,719.21

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Solution

The fourth proportional to 16,001.57, 22,086.11 and 9,719.21 is: 13,414.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,001.57 : 22,086.11 = 9,719.21 : x
  2. Step 2: Convert to fraction form
    16,001.57/22,086.11 = 9,719.21/x
  3. Step 3: Cross multiply
    16,001.57x = 22,086.11 × 9,719.21
  4. Step 4: Simplify right side
    16,001.57x = 214,659,455.04
  5. Step 5: Solve for x
    x = 214,659,455.04/16,001.57
  6. Step 6: Final answer
    x = 13,414.90

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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.