Home / 25,470.18-38,245.24-21,572.53

Finding the Fourth Proportional to 25,470.18, 38,245.24 and 21,572.53

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Solution

The fourth proportional to 25,470.18, 38,245.24 and 21,572.53 is: 32,392.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,470.18 : 38,245.24 = 21,572.53 : x
  2. Step 2: Convert to fraction form
    25,470.18/38,245.24 = 21,572.53/x
  3. Step 3: Cross multiply
    25,470.18x = 38,245.24 × 21,572.53
  4. Step 4: Simplify right side
    25,470.18x = 825,046,587.26
  5. Step 5: Solve for x
    x = 825,046,587.26/25,470.18
  6. Step 6: Final answer
    x = 32,392.65

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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.