Home / 16,891.18-25,331.27-7,027.81

Finding the Fourth Proportional to 16,891.18, 25,331.27 and 7,027.81

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Solution

The fourth proportional to 16,891.18, 25,331.27 and 7,027.81 is: 10,539.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,891.18 : 25,331.27 = 7,027.81 : x
  2. Step 2: Convert to fraction form
    16,891.18/25,331.27 = 7,027.81/x
  3. Step 3: Cross multiply
    16,891.18x = 25,331.27 × 7,027.81
  4. Step 4: Simplify right side
    16,891.18x = 178,023,352.62
  5. Step 5: Solve for x
    x = 178,023,352.62/16,891.18
  6. Step 6: Final answer
    x = 10,539.43

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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.