Home / 55,122.20-82,683.14-15,141.22

Finding the Fourth Proportional to 55,122.20, 82,683.14 and 15,141.22

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Solution

The fourth proportional to 55,122.20, 82,683.14 and 15,141.22 is: 22,711.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,122.20 : 82,683.14 = 15,141.22 : x
  2. Step 2: Convert to fraction form
    55,122.20/82,683.14 = 15,141.22/x
  3. Step 3: Cross multiply
    55,122.20x = 82,683.14 × 15,141.22
  4. Step 4: Simplify right side
    55,122.20x = 1,251,923,774.97
  5. Step 5: Solve for x
    x = 1,251,923,774.97/55,122.20
  6. Step 6: Final answer
    x = 22,711.79

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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.