Home / 38,199.73-57,299.61-11,906.59

Finding the Fourth Proportional to 38,199.73, 57,299.61 and 11,906.59

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Solution

The fourth proportional to 38,199.73, 57,299.61 and 11,906.59 is: 17,859.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,199.73 : 57,299.61 = 11,906.59 : x
  2. Step 2: Convert to fraction form
    38,199.73/57,299.61 = 11,906.59/x
  3. Step 3: Cross multiply
    38,199.73x = 57,299.61 × 11,906.59
  4. Step 4: Simplify right side
    38,199.73x = 682,242,963.43
  5. Step 5: Solve for x
    x = 682,242,963.43/38,199.73
  6. Step 6: Final answer
    x = 17,859.89

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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.