Home / 17,540.62-26,311.84-8,772.57

Finding the Fourth Proportional to 17,540.62, 26,311.84 and 8,772.57

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Solution

The fourth proportional to 17,540.62, 26,311.84 and 8,772.57 is: 13,159.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,540.62 : 26,311.84 = 8,772.57 : x
  2. Step 2: Convert to fraction form
    17,540.62/26,311.84 = 8,772.57/x
  3. Step 3: Cross multiply
    17,540.62x = 26,311.84 × 8,772.57
  4. Step 4: Simplify right side
    17,540.62x = 230,822,436.30
  5. Step 5: Solve for x
    x = 230,822,436.30/17,540.62
  6. Step 6: Final answer
    x = 13,159.31

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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.