Home / 37,198.89-55,800.42-11,900.61

Finding the Fourth Proportional to 37,198.89, 55,800.42 and 11,900.61

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Solution

The fourth proportional to 37,198.89, 55,800.42 and 11,900.61 is: 17,851.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,198.89 : 55,800.42 = 11,900.61 : x
  2. Step 2: Convert to fraction form
    37,198.89/55,800.42 = 11,900.61/x
  3. Step 3: Cross multiply
    37,198.89x = 55,800.42 × 11,900.61
  4. Step 4: Simplify right side
    37,198.89x = 664,059,036.26
  5. Step 5: Solve for x
    x = 664,059,036.26/37,198.89
  6. Step 6: Final answer
    x = 17,851.58

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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.