Home / 16,479.67-24,719.25-3,999.80

Finding the Fourth Proportional to 16,479.67, 24,719.25 and 3,999.80

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Solution

The fourth proportional to 16,479.67, 24,719.25 and 3,999.80 is: 5,999.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,479.67 : 24,719.25 = 3,999.80 : x
  2. Step 2: Convert to fraction form
    16,479.67/24,719.25 = 3,999.80/x
  3. Step 3: Cross multiply
    16,479.67x = 24,719.25 × 3,999.80
  4. Step 4: Simplify right side
    16,479.67x = 98,872,046.15
  5. Step 5: Solve for x
    x = 98,872,046.15/16,479.67
  6. Step 6: Final answer
    x = 5,999.64

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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.