Home / 15,131.53-22,700.94-4,743.28

Finding the Fourth Proportional to 15,131.53, 22,700.94 and 4,743.28

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Solution

The fourth proportional to 15,131.53, 22,700.94 and 4,743.28 is: 7,116.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,131.53 : 22,700.94 = 4,743.28 : x
  2. Step 2: Convert to fraction form
    15,131.53/22,700.94 = 4,743.28/x
  3. Step 3: Cross multiply
    15,131.53x = 22,700.94 × 4,743.28
  4. Step 4: Simplify right side
    15,131.53x = 107,676,890.97
  5. Step 5: Solve for x
    x = 107,676,890.97/15,131.53
  6. Step 6: Final answer
    x = 7,116.06

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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.