Home / 16,239.87-24,360.48-5,146.31

Finding the Fourth Proportional to 16,239.87, 24,360.48 and 5,146.31

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Solution

The fourth proportional to 16,239.87, 24,360.48 and 5,146.31 is: 7,719.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,239.87 : 24,360.48 = 5,146.31 : x
  2. Step 2: Convert to fraction form
    16,239.87/24,360.48 = 5,146.31/x
  3. Step 3: Cross multiply
    16,239.87x = 24,360.48 × 5,146.31
  4. Step 4: Simplify right side
    16,239.87x = 125,366,581.83
  5. Step 5: Solve for x
    x = 125,366,581.83/16,239.87
  6. Step 6: Final answer
    x = 7,719.68

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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.