Home / 37,186.89-55,777.49-12,227.75

Finding the Fourth Proportional to 37,186.89, 55,777.49 and 12,227.75

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Solution

The fourth proportional to 37,186.89, 55,777.49 and 12,227.75 is: 18,340.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,186.89 : 55,777.49 = 12,227.75 : x
  2. Step 2: Convert to fraction form
    37,186.89/55,777.49 = 12,227.75/x
  3. Step 3: Cross multiply
    37,186.89x = 55,777.49 × 12,227.75
  4. Step 4: Simplify right side
    37,186.89x = 682,033,203.35
  5. Step 5: Solve for x
    x = 682,033,203.35/37,186.89
  6. Step 6: Final answer
    x = 18,340.69

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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.