Home / 38,190.70-57,294.15-11,537.65

Finding the Fourth Proportional to 38,190.70, 57,294.15 and 11,537.65

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Solution

The fourth proportional to 38,190.70, 57,294.15 and 11,537.65 is: 17,308.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,190.70 : 57,294.15 = 11,537.65 : x
  2. Step 2: Convert to fraction form
    38,190.70/57,294.15 = 11,537.65/x
  3. Step 3: Cross multiply
    38,190.70x = 57,294.15 × 11,537.65
  4. Step 4: Simplify right side
    38,190.70x = 661,039,849.75
  5. Step 5: Solve for x
    x = 661,039,849.75/38,190.70
  6. Step 6: Final answer
    x = 17,308.92

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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.