Home / 22,725.50-31,361.19-13,295.90

Finding the Fourth Proportional to 22,725.50, 31,361.19 and 13,295.90

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Solution

The fourth proportional to 22,725.50, 31,361.19 and 13,295.90 is: 18,348.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,725.50 : 31,361.19 = 13,295.90 : x
  2. Step 2: Convert to fraction form
    22,725.50/31,361.19 = 13,295.90/x
  3. Step 3: Cross multiply
    22,725.50x = 31,361.19 × 13,295.90
  4. Step 4: Simplify right side
    22,725.50x = 416,975,246.12
  5. Step 5: Solve for x
    x = 416,975,246.12/22,725.50
  6. Step 6: Final answer
    x = 18,348.34

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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.