Home / 36,104.31-54,157.86-11,142.12

Finding the Fourth Proportional to 36,104.31, 54,157.86 and 11,142.12

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Solution

The fourth proportional to 36,104.31, 54,157.86 and 11,142.12 is: 16,713.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,104.31 : 54,157.86 = 11,142.12 : x
  2. Step 2: Convert to fraction form
    36,104.31/54,157.86 = 11,142.12/x
  3. Step 3: Cross multiply
    36,104.31x = 54,157.86 × 11,142.12
  4. Step 4: Simplify right side
    36,104.31x = 603,433,375.06
  5. Step 5: Solve for x
    x = 603,433,375.06/36,104.31
  6. Step 6: Final answer
    x = 16,713.61

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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.