Home / 25,599.12-38,423.60-19,575.15

Finding the Fourth Proportional to 25,599.12, 38,423.60 and 19,575.15

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Solution

The fourth proportional to 25,599.12, 38,423.60 and 19,575.15 is: 29,381.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,599.12 : 38,423.60 = 19,575.15 : x
  2. Step 2: Convert to fraction form
    25,599.12/38,423.60 = 19,575.15/x
  3. Step 3: Cross multiply
    25,599.12x = 38,423.60 × 19,575.15
  4. Step 4: Simplify right side
    25,599.12x = 752,147,635.66
  5. Step 5: Solve for x
    x = 752,147,635.66/25,599.12
  6. Step 6: Final answer
    x = 29,381.78

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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.