Home / 25,694.80-38,465.40-15,301.20

Finding the Fourth Proportional to 25,694.80, 38,465.40 and 15,301.20

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Solution

The fourth proportional to 25,694.80, 38,465.40 and 15,301.20 is: 22,906.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,694.80 : 38,465.40 = 15,301.20 : x
  2. Step 2: Convert to fraction form
    25,694.80/38,465.40 = 15,301.20/x
  3. Step 3: Cross multiply
    25,694.80x = 38,465.40 × 15,301.20
  4. Step 4: Simplify right side
    25,694.80x = 588,566,778.48
  5. Step 5: Solve for x
    x = 588,566,778.48/25,694.80
  6. Step 6: Final answer
    x = 22,906.07

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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.