Home / 25,702.20-38,560.16-10,911.96

Finding the Fourth Proportional to 25,702.20, 38,560.16 and 10,911.96

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Solution

The fourth proportional to 25,702.20, 38,560.16 and 10,911.96 is: 16,370.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,702.20 : 38,560.16 = 10,911.96 : x
  2. Step 2: Convert to fraction form
    25,702.20/38,560.16 = 10,911.96/x
  3. Step 3: Cross multiply
    25,702.20x = 38,560.16 × 10,911.96
  4. Step 4: Simplify right side
    25,702.20x = 420,766,923.51
  5. Step 5: Solve for x
    x = 420,766,923.51/25,702.20
  6. Step 6: Final answer
    x = 16,370.85

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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.