Home / 16,247.91-22,422.11-9,174.79

Finding the Fourth Proportional to 16,247.91, 22,422.11 and 9,174.79

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Solution

The fourth proportional to 16,247.91, 22,422.11 and 9,174.79 is: 12,661.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,247.91 : 22,422.11 = 9,174.79 : x
  2. Step 2: Convert to fraction form
    16,247.91/22,422.11 = 9,174.79/x
  3. Step 3: Cross multiply
    16,247.91x = 22,422.11 × 9,174.79
  4. Step 4: Simplify right side
    16,247.91x = 205,718,150.61
  5. Step 5: Solve for x
    x = 205,718,150.61/16,247.91
  6. Step 6: Final answer
    x = 12,661.21

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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.