Home / 38,198.73-57,298.11-11,905.59

Finding the Fourth Proportional to 38,198.73, 57,298.11 and 11,905.59

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Solution

The fourth proportional to 38,198.73, 57,298.11 and 11,905.59 is: 17,858.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,198.73 : 57,298.11 = 11,905.59 : x
  2. Step 2: Convert to fraction form
    38,198.73/57,298.11 = 11,905.59/x
  3. Step 3: Cross multiply
    38,198.73x = 57,298.11 × 11,905.59
  4. Step 4: Simplify right side
    38,198.73x = 682,167,805.43
  5. Step 5: Solve for x
    x = 682,167,805.43/38,198.73
  6. Step 6: Final answer
    x = 17,858.39

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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.