Home / 25,067.11-34,589.32-14,991.88

Finding the Fourth Proportional to 25,067.11, 34,589.32 and 14,991.88

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Solution

The fourth proportional to 25,067.11, 34,589.32 and 14,991.88 is: 20,686.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,067.11 : 34,589.32 = 14,991.88 : x
  2. Step 2: Convert to fraction form
    25,067.11/34,589.32 = 14,991.88/x
  3. Step 3: Cross multiply
    25,067.11x = 34,589.32 × 14,991.88
  4. Step 4: Simplify right side
    25,067.11x = 518,558,934.72
  5. Step 5: Solve for x
    x = 518,558,934.72/25,067.11
  6. Step 6: Final answer
    x = 20,686.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.