Home / 15,020.98-22,531.55-3,927.70

Finding the Fourth Proportional to 15,020.98, 22,531.55 and 3,927.70

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Solution

The fourth proportional to 15,020.98, 22,531.55 and 3,927.70 is: 5,891.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,020.98 : 22,531.55 = 3,927.70 : x
  2. Step 2: Convert to fraction form
    15,020.98/22,531.55 = 3,927.70/x
  3. Step 3: Cross multiply
    15,020.98x = 22,531.55 × 3,927.70
  4. Step 4: Simplify right side
    15,020.98x = 88,497,112.78
  5. Step 5: Solve for x
    x = 88,497,112.78/15,020.98
  6. Step 6: Final answer
    x = 5,891.57

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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.