Home / 22,872.15-31,563.65-12,801.24

Finding the Fourth Proportional to 22,872.15, 31,563.65 and 12,801.24

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Solution

The fourth proportional to 22,872.15, 31,563.65 and 12,801.24 is: 17,665.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,872.15 : 31,563.65 = 12,801.24 : x
  2. Step 2: Convert to fraction form
    22,872.15/31,563.65 = 12,801.24/x
  3. Step 3: Cross multiply
    22,872.15x = 31,563.65 × 12,801.24
  4. Step 4: Simplify right side
    22,872.15x = 404,053,854.93
  5. Step 5: Solve for x
    x = 404,053,854.93/22,872.15
  6. Step 6: Final answer
    x = 17,665.76

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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.