Home / 38,201.91-57,303.68-11,906.88

Finding the Fourth Proportional to 38,201.91, 57,303.68 and 11,906.88

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Solution

The fourth proportional to 38,201.91, 57,303.68 and 11,906.88 is: 17,860.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,201.91 : 57,303.68 = 11,906.88 : x
  2. Step 2: Convert to fraction form
    38,201.91/57,303.68 = 11,906.88/x
  3. Step 3: Cross multiply
    38,201.91x = 57,303.68 × 11,906.88
  4. Step 4: Simplify right side
    38,201.91x = 682,307,981.78
  5. Step 5: Solve for x
    x = 682,307,981.78/38,201.91
  6. Step 6: Final answer
    x = 17,860.57

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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.