Home / 23,067.38-31,826.39-12,992.29

Finding the Fourth Proportional to 23,067.38, 31,826.39 and 12,992.29

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Solution

The fourth proportional to 23,067.38, 31,826.39 and 12,992.29 is: 17,925.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,067.38 : 31,826.39 = 12,992.29 : x
  2. Step 2: Convert to fraction form
    23,067.38/31,826.39 = 12,992.29/x
  3. Step 3: Cross multiply
    23,067.38x = 31,826.39 × 12,992.29
  4. Step 4: Simplify right side
    23,067.38x = 413,497,688.53
  5. Step 5: Solve for x
    x = 413,497,688.53/23,067.38
  6. Step 6: Final answer
    x = 17,925.65

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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.