Home / 16,712.53-25,067.91-5,619.45

Finding the Fourth Proportional to 16,712.53, 25,067.91 and 5,619.45

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Solution

The fourth proportional to 16,712.53, 25,067.91 and 5,619.45 is: 8,428.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,712.53 : 25,067.91 = 5,619.45 : x
  2. Step 2: Convert to fraction form
    16,712.53/25,067.91 = 5,619.45/x
  3. Step 3: Cross multiply
    16,712.53x = 25,067.91 × 5,619.45
  4. Step 4: Simplify right side
    16,712.53x = 140,867,866.85
  5. Step 5: Solve for x
    x = 140,867,866.85/16,712.53
  6. Step 6: Final answer
    x = 8,428.88

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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.