Home / 38,660.14-57,992.49-12,362.83

Finding the Fourth Proportional to 38,660.14, 57,992.49 and 12,362.83

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Solution

The fourth proportional to 38,660.14, 57,992.49 and 12,362.83 is: 18,544.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,660.14 : 57,992.49 = 12,362.83 : x
  2. Step 2: Convert to fraction form
    38,660.14/57,992.49 = 12,362.83/x
  3. Step 3: Cross multiply
    38,660.14x = 57,992.49 × 12,362.83
  4. Step 4: Simplify right side
    38,660.14x = 716,951,295.15
  5. Step 5: Solve for x
    x = 716,951,295.15/38,660.14
  6. Step 6: Final answer
    x = 18,544.97

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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.