Home / 38,247.85-57,371.78-11,952.69

Finding the Fourth Proportional to 38,247.85, 57,371.78 and 11,952.69

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Solution

The fourth proportional to 38,247.85, 57,371.78 and 11,952.69 is: 17,929.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,247.85 : 57,371.78 = 11,952.69 : x
  2. Step 2: Convert to fraction form
    38,247.85/57,371.78 = 11,952.69/x
  3. Step 3: Cross multiply
    38,247.85x = 57,371.78 × 11,952.69
  4. Step 4: Simplify right side
    38,247.85x = 685,747,101.09
  5. Step 5: Solve for x
    x = 685,747,101.09/38,247.85
  6. Step 6: Final answer
    x = 17,929.04

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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.