Home / 25,531.72-38,310.68-10,549.96

Finding the Fourth Proportional to 25,531.72, 38,310.68 and 10,549.96

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Solution

The fourth proportional to 25,531.72, 38,310.68 and 10,549.96 is: 15,830.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,531.72 : 38,310.68 = 10,549.96 : x
  2. Step 2: Convert to fraction form
    25,531.72/38,310.68 = 10,549.96/x
  3. Step 3: Cross multiply
    25,531.72x = 38,310.68 × 10,549.96
  4. Step 4: Simplify right side
    25,531.72x = 404,176,141.57
  5. Step 5: Solve for x
    x = 404,176,141.57/25,531.72
  6. Step 6: Final answer
    x = 15,830.35

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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.