Home / 37,189.06-55,785.38-12,228.55

Finding the Fourth Proportional to 37,189.06, 55,785.38 and 12,228.55

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Solution

The fourth proportional to 37,189.06, 55,785.38 and 12,228.55 is: 18,343.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,189.06 : 55,785.38 = 12,228.55 : x
  2. Step 2: Convert to fraction form
    37,189.06/55,785.38 = 12,228.55/x
  3. Step 3: Cross multiply
    37,189.06x = 55,785.38 × 12,228.55
  4. Step 4: Simplify right side
    37,189.06x = 682,174,340.12
  5. Step 5: Solve for x
    x = 682,174,340.12/37,189.06
  6. Step 6: Final answer
    x = 18,343.42

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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.