Home / 15,177.11-22,774.80-12,067.92

Finding the Fourth Proportional to 15,177.11, 22,774.80 and 12,067.92

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Solution

The fourth proportional to 15,177.11, 22,774.80 and 12,067.92 is: 18,109.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,177.11 : 22,774.80 = 12,067.92 : x
  2. Step 2: Convert to fraction form
    15,177.11/22,774.80 = 12,067.92/x
  3. Step 3: Cross multiply
    15,177.11x = 22,774.80 × 12,067.92
  4. Step 4: Simplify right side
    15,177.11x = 274,844,509.67
  5. Step 5: Solve for x
    x = 274,844,509.67/15,177.11
  6. Step 6: Final answer
    x = 18,109.15

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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.