Home / 22,939.16-34,321.78-13,584.20

Finding the Fourth Proportional to 22,939.16, 34,321.78 and 13,584.20

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Solution

The fourth proportional to 22,939.16, 34,321.78 and 13,584.20 is: 20,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,939.16 : 34,321.78 = 13,584.20 : x
  2. Step 2: Convert to fraction form
    22,939.16/34,321.78 = 13,584.20/x
  3. Step 3: Cross multiply
    22,939.16x = 34,321.78 × 13,584.20
  4. Step 4: Simplify right side
    22,939.16x = 466,233,923.88
  5. Step 5: Solve for x
    x = 466,233,923.88/22,939.16
  6. Step 6: Final answer
    x = 20,324.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.