Home / 37,198.68-55,806.20-12,237.72

Finding the Fourth Proportional to 37,198.68, 55,806.20 and 12,237.72

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Solution

The fourth proportional to 37,198.68, 55,806.20 and 12,237.72 is: 18,359.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,198.68 : 55,806.20 = 12,237.72 : x
  2. Step 2: Convert to fraction form
    37,198.68/55,806.20 = 12,237.72/x
  3. Step 3: Cross multiply
    37,198.68x = 55,806.20 × 12,237.72
  4. Step 4: Simplify right side
    37,198.68x = 682,940,425.29
  5. Step 5: Solve for x
    x = 682,940,425.29/37,198.68
  6. Step 6: Final answer
    x = 18,359.27

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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.