Home / 13,251.66-19,872.48-5,351.52

Finding the Fourth Proportional to 13,251.66, 19,872.48 and 5,351.52

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Solution

The fourth proportional to 13,251.66, 19,872.48 and 5,351.52 is: 8,025.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,251.66 : 19,872.48 = 5,351.52 : x
  2. Step 2: Convert to fraction form
    13,251.66/19,872.48 = 5,351.52/x
  3. Step 3: Cross multiply
    13,251.66x = 19,872.48 × 5,351.52
  4. Step 4: Simplify right side
    13,251.66x = 106,347,974.17
  5. Step 5: Solve for x
    x = 106,347,974.17/13,251.66
  6. Step 6: Final answer
    x = 8,025.26

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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.