Home / 25,945.88-38,891.14-11,155.95

Finding the Fourth Proportional to 25,945.88, 38,891.14 and 11,155.95

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Solution

The fourth proportional to 25,945.88, 38,891.14 and 11,155.95 is: 16,722.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,945.88 : 38,891.14 = 11,155.95 : x
  2. Step 2: Convert to fraction form
    25,945.88/38,891.14 = 11,155.95/x
  3. Step 3: Cross multiply
    25,945.88x = 38,891.14 × 11,155.95
  4. Step 4: Simplify right side
    25,945.88x = 433,867,585.39
  5. Step 5: Solve for x
    x = 433,867,585.39/25,945.88
  6. Step 6: Final answer
    x = 16,722.03

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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.