Home / 16,115.25-24,172.81-5,021.95

Finding the Fourth Proportional to 16,115.25, 24,172.81 and 5,021.95

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Solution

The fourth proportional to 16,115.25, 24,172.81 and 5,021.95 is: 7,532.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,115.25 : 24,172.81 = 5,021.95 : x
  2. Step 2: Convert to fraction form
    16,115.25/24,172.81 = 5,021.95/x
  3. Step 3: Cross multiply
    16,115.25x = 24,172.81 × 5,021.95
  4. Step 4: Simplify right side
    16,115.25x = 121,394,630.62
  5. Step 5: Solve for x
    x = 121,394,630.62/16,115.25
  6. Step 6: Final answer
    x = 7,532.90

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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.