Home / 15,352.10-23,028.15-5,491.70

Finding the Fourth Proportional to 15,352.10, 23,028.15 and 5,491.70

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Solution

The fourth proportional to 15,352.10, 23,028.15 and 5,491.70 is: 8,237.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,352.10 : 23,028.15 = 5,491.70 : x
  2. Step 2: Convert to fraction form
    15,352.10/23,028.15 = 5,491.70/x
  3. Step 3: Cross multiply
    15,352.10x = 23,028.15 × 5,491.70
  4. Step 4: Simplify right side
    15,352.10x = 126,463,691.36
  5. Step 5: Solve for x
    x = 126,463,691.36/15,352.10
  6. Step 6: Final answer
    x = 8,237.55

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Similar ratio
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1.5x scale

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.