Home / 24,138.56-36,149.38-12,261.09

Finding the Fourth Proportional to 24,138.56, 36,149.38 and 12,261.09

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Solution

The fourth proportional to 24,138.56, 36,149.38 and 12,261.09 is: 18,361.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,138.56 : 36,149.38 = 12,261.09 : x
  2. Step 2: Convert to fraction form
    24,138.56/36,149.38 = 12,261.09/x
  3. Step 3: Cross multiply
    24,138.56x = 36,149.38 × 12,261.09
  4. Step 4: Simplify right side
    24,138.56x = 443,230,801.62
  5. Step 5: Solve for x
    x = 443,230,801.62/24,138.56
  6. Step 6: Final answer
    x = 18,361.94

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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.