Home / 22,725.18-31,361.85-13,166.10

Finding the Fourth Proportional to 22,725.18, 31,361.85 and 13,166.10

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Solution

The fourth proportional to 22,725.18, 31,361.85 and 13,166.10 is: 18,169.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,725.18 : 31,361.85 = 13,166.10 : x
  2. Step 2: Convert to fraction form
    22,725.18/31,361.85 = 13,166.10/x
  3. Step 3: Cross multiply
    22,725.18x = 31,361.85 × 13,166.10
  4. Step 4: Simplify right side
    22,725.18x = 412,913,253.29
  5. Step 5: Solve for x
    x = 412,913,253.29/22,725.18
  6. Step 6: Final answer
    x = 18,169.86

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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.