Home / 25,795.20-38,671.68-11,934.72

Finding the Fourth Proportional to 25,795.20, 38,671.68 and 11,934.72

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Solution

The fourth proportional to 25,795.20, 38,671.68 and 11,934.72 is: 17,892.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,795.20 : 38,671.68 = 11,934.72 : x
  2. Step 2: Convert to fraction form
    25,795.20/38,671.68 = 11,934.72/x
  3. Step 3: Cross multiply
    25,795.20x = 38,671.68 × 11,934.72
  4. Step 4: Simplify right side
    25,795.20x = 461,535,672.73
  5. Step 5: Solve for x
    x = 461,535,672.73/25,795.20
  6. Step 6: Final answer
    x = 17,892.31

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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.