Home / 22,725.27-31,361.40-12,654.39

Finding the Fourth Proportional to 22,725.27, 31,361.40 and 12,654.39

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Solution

The fourth proportional to 22,725.27, 31,361.40 and 12,654.39 is: 17,463.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,725.27 : 31,361.40 = 12,654.39 : x
  2. Step 2: Convert to fraction form
    22,725.27/31,361.40 = 12,654.39/x
  3. Step 3: Cross multiply
    22,725.27x = 31,361.40 × 12,654.39
  4. Step 4: Simplify right side
    22,725.27x = 396,859,386.55
  5. Step 5: Solve for x
    x = 396,859,386.55/22,725.27
  6. Step 6: Final answer
    x = 17,463.35

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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.