Home / 25,829.42-38,694.12-15,129.92

Finding the Fourth Proportional to 25,829.42, 38,694.12 and 15,129.92

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Solution

The fourth proportional to 25,829.42, 38,694.12 and 15,129.92 is: 22,665.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,829.42 : 38,694.12 = 15,129.92 : x
  2. Step 2: Convert to fraction form
    25,829.42/38,694.12 = 15,129.92/x
  3. Step 3: Cross multiply
    25,829.42x = 38,694.12 × 15,129.92
  4. Step 4: Simplify right side
    25,829.42x = 585,438,940.07
  5. Step 5: Solve for x
    x = 585,438,940.07/25,829.42
  6. Step 6: Final answer
    x = 22,665.59

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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.