Home / 16,231.65-24,348.60-5,138.55

Finding the Fourth Proportional to 16,231.65, 24,348.60 and 5,138.55

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Solution

The fourth proportional to 16,231.65, 24,348.60 and 5,138.55 is: 7,708.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,231.65 : 24,348.60 = 5,138.55 : x
  2. Step 2: Convert to fraction form
    16,231.65/24,348.60 = 5,138.55/x
  3. Step 3: Cross multiply
    16,231.65x = 24,348.60 × 5,138.55
  4. Step 4: Simplify right side
    16,231.65x = 125,116,498.53
  5. Step 5: Solve for x
    x = 125,116,498.53/16,231.65
  6. Step 6: Final answer
    x = 7,708.18

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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.