Home / 16,854.31-25,296.98-8,540.11

Finding the Fourth Proportional to 16,854.31, 25,296.98 and 8,540.11

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Solution

The fourth proportional to 16,854.31, 25,296.98 and 8,540.11 is: 12,818.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,854.31 : 25,296.98 = 8,540.11 : x
  2. Step 2: Convert to fraction form
    16,854.31/25,296.98 = 8,540.11/x
  3. Step 3: Cross multiply
    16,854.31x = 25,296.98 × 8,540.11
  4. Step 4: Simplify right side
    16,854.31x = 216,038,991.87
  5. Step 5: Solve for x
    x = 216,038,991.87/16,854.31
  6. Step 6: Final answer
    x = 12,818.03

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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.