Home / 25,141.68-34,691.90-15,067.80

Finding the Fourth Proportional to 25,141.68, 34,691.90 and 15,067.80

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Solution

The fourth proportional to 25,141.68, 34,691.90 and 15,067.80 is: 20,791.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,141.68 : 34,691.90 = 15,067.80 : x
  2. Step 2: Convert to fraction form
    25,141.68/34,691.90 = 15,067.80/x
  3. Step 3: Cross multiply
    25,141.68x = 34,691.90 × 15,067.80
  4. Step 4: Simplify right side
    25,141.68x = 522,730,535.48
  5. Step 5: Solve for x
    x = 522,730,535.48/25,141.68
  6. Step 6: Final answer
    x = 20,791.39

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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.