Home / 37,115.88-55,661.94-12,149.16

Finding the Fourth Proportional to 37,115.88, 55,661.94 and 12,149.16

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Solution

The fourth proportional to 37,115.88, 55,661.94 and 12,149.16 is: 18,219.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,115.88 : 55,661.94 = 12,149.16 : x
  2. Step 2: Convert to fraction form
    37,115.88/55,661.94 = 12,149.16/x
  3. Step 3: Cross multiply
    37,115.88x = 55,661.94 × 12,149.16
  4. Step 4: Simplify right side
    37,115.88x = 676,245,814.97
  5. Step 5: Solve for x
    x = 676,245,814.97/37,115.88
  6. Step 6: Final answer
    x = 18,219.85

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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.