Home / 22,144.74-33,179.52-13,361.20

Finding the Fourth Proportional to 22,144.74, 33,179.52 and 13,361.20

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Solution

The fourth proportional to 22,144.74, 33,179.52 and 13,361.20 is: 20,019.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,144.74 : 33,179.52 = 13,361.20 : x
  2. Step 2: Convert to fraction form
    22,144.74/33,179.52 = 13,361.20/x
  3. Step 3: Cross multiply
    22,144.74x = 33,179.52 × 13,361.20
  4. Step 4: Simplify right side
    22,144.74x = 443,318,356.41
  5. Step 5: Solve for x
    x = 443,318,356.41/22,144.74
  6. Step 6: Final answer
    x = 20,019.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.