Home / 25,620.57-38,414.30-17,700.98

Finding the Fourth Proportional to 25,620.57, 38,414.30 and 17,700.98

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Solution

The fourth proportional to 25,620.57, 38,414.30 and 17,700.98 is: 26,540.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,620.57 : 38,414.30 = 17,700.98 : x
  2. Step 2: Convert to fraction form
    25,620.57/38,414.30 = 17,700.98/x
  3. Step 3: Cross multiply
    25,620.57x = 38,414.30 × 17,700.98
  4. Step 4: Simplify right side
    25,620.57x = 679,970,475.44
  5. Step 5: Solve for x
    x = 679,970,475.44/25,620.57
  6. Step 6: Final answer
    x = 26,540.02

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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.