Home / 22,785.46-34,157.85-12,261.13

Finding the Fourth Proportional to 22,785.46, 34,157.85 and 12,261.13

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Solution

The fourth proportional to 22,785.46, 34,157.85 and 12,261.13 is: 18,380.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,785.46 : 34,157.85 = 12,261.13 : x
  2. Step 2: Convert to fraction form
    22,785.46/34,157.85 = 12,261.13/x
  3. Step 3: Cross multiply
    22,785.46x = 34,157.85 × 12,261.13
  4. Step 4: Simplify right side
    22,785.46x = 418,813,839.37
  5. Step 5: Solve for x
    x = 418,813,839.37/22,785.46
  6. Step 6: Final answer
    x = 18,380.75

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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.