Home / 22,725.75-31,360.90-12,654.19

Finding the Fourth Proportional to 22,725.75, 31,360.90 and 12,654.19

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Solution

The fourth proportional to 22,725.75, 31,360.90 and 12,654.19 is: 17,462.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,725.75 : 31,360.90 = 12,654.19 : x
  2. Step 2: Convert to fraction form
    22,725.75/31,360.90 = 12,654.19/x
  3. Step 3: Cross multiply
    22,725.75x = 31,360.90 × 12,654.19
  4. Step 4: Simplify right side
    22,725.75x = 396,846,665.78
  5. Step 5: Solve for x
    x = 396,846,665.78/22,725.75
  6. Step 6: Final answer
    x = 17,462.42

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1.5x scale

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.