Home / 16,191.57-22,344.25-9,120.27

Finding the Fourth Proportional to 16,191.57, 22,344.25 and 9,120.27

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Solution

The fourth proportional to 16,191.57, 22,344.25 and 9,120.27 is: 12,585.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,191.57 : 22,344.25 = 9,120.27 : x
  2. Step 2: Convert to fraction form
    16,191.57/22,344.25 = 9,120.27/x
  3. Step 3: Cross multiply
    16,191.57x = 22,344.25 × 9,120.27
  4. Step 4: Simplify right side
    16,191.57x = 203,785,592.95
  5. Step 5: Solve for x
    x = 203,785,592.95/16,191.57
  6. Step 6: Final answer
    x = 12,585.91

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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.