Home / 38,112.27-57,173.94-11,819.13

Finding the Fourth Proportional to 38,112.27, 57,173.94 and 11,819.13

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Solution

The fourth proportional to 38,112.27, 57,173.94 and 11,819.13 is: 17,730.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,112.27 : 57,173.94 = 11,819.13 : x
  2. Step 2: Convert to fraction form
    38,112.27/57,173.94 = 11,819.13/x
  3. Step 3: Cross multiply
    38,112.27x = 57,173.94 × 11,819.13
  4. Step 4: Simplify right side
    38,112.27x = 675,746,229.47
  5. Step 5: Solve for x
    x = 675,746,229.47/38,112.27
  6. Step 6: Final answer
    x = 17,730.41

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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.