Home / 38,618.88-57,932.64-10,919.04

Finding the Fourth Proportional to 38,618.88, 57,932.64 and 10,919.04

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Solution

The fourth proportional to 38,618.88, 57,932.64 and 10,919.04 is: 16,379.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,618.88 : 57,932.64 = 10,919.04 : x
  2. Step 2: Convert to fraction form
    38,618.88/57,932.64 = 10,919.04/x
  3. Step 3: Cross multiply
    38,618.88x = 57,932.64 × 10,919.04
  4. Step 4: Simplify right side
    38,618.88x = 632,568,813.47
  5. Step 5: Solve for x
    x = 632,568,813.47/38,618.88
  6. Step 6: Final answer
    x = 16,379.78

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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.