Home / 22,711.48-34,008.90-13,919.76

Finding the Fourth Proportional to 22,711.48, 34,008.90 and 13,919.76

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Solution

The fourth proportional to 22,711.48, 34,008.90 and 13,919.76 is: 20,843.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,711.48 : 34,008.90 = 13,919.76 : x
  2. Step 2: Convert to fraction form
    22,711.48/34,008.90 = 13,919.76/x
  3. Step 3: Cross multiply
    22,711.48x = 34,008.90 × 13,919.76
  4. Step 4: Simplify right side
    22,711.48x = 473,395,725.86
  5. Step 5: Solve for x
    x = 473,395,725.86/22,711.48
  6. Step 6: Final answer
    x = 20,843.90

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1.5x scale

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.