Home / 16,142.50-24,213.75-5,198.50

Finding the Fourth Proportional to 16,142.50, 24,213.75 and 5,198.50

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Solution

The fourth proportional to 16,142.50, 24,213.75 and 5,198.50 is: 7,797.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,142.50 : 24,213.75 = 5,198.50 : x
  2. Step 2: Convert to fraction form
    16,142.50/24,213.75 = 5,198.50/x
  3. Step 3: Cross multiply
    16,142.50x = 24,213.75 × 5,198.50
  4. Step 4: Simplify right side
    16,142.50x = 125,875,179.38
  5. Step 5: Solve for x
    x = 125,875,179.38/16,142.50
  6. Step 6: Final answer
    x = 7,797.75

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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.