Home / 25,470.80-38,156.49-16,679.06

Finding the Fourth Proportional to 25,470.80, 38,156.49 and 16,679.06

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Solution

The fourth proportional to 25,470.80, 38,156.49 and 16,679.06 is: 24,986.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,470.80 : 38,156.49 = 16,679.06 : x
  2. Step 2: Convert to fraction form
    25,470.80/38,156.49 = 16,679.06/x
  3. Step 3: Cross multiply
    25,470.80x = 38,156.49 × 16,679.06
  4. Step 4: Simplify right side
    25,470.80x = 636,414,195.32
  5. Step 5: Solve for x
    x = 636,414,195.32/25,470.80
  6. Step 6: Final answer
    x = 24,986.04

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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.