Home / 19,067.38-28,611.04-13,845.52

Finding the Fourth Proportional to 19,067.38, 28,611.04 and 13,845.52

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Solution

The fourth proportional to 19,067.38, 28,611.04 and 13,845.52 is: 20,775.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,067.38 : 28,611.04 = 13,845.52 : x
  2. Step 2: Convert to fraction form
    19,067.38/28,611.04 = 13,845.52/x
  3. Step 3: Cross multiply
    19,067.38x = 28,611.04 × 13,845.52
  4. Step 4: Simplify right side
    19,067.38x = 396,134,726.54
  5. Step 5: Solve for x
    x = 396,134,726.54/19,067.38
  6. Step 6: Final answer
    x = 20,775.52

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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.