Home / 38,179.22-57,268.82-11,886.62

Finding the Fourth Proportional to 38,179.22, 57,268.82 and 11,886.62

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Solution

The fourth proportional to 38,179.22, 57,268.82 and 11,886.62 is: 17,829.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,179.22 : 57,268.82 = 11,886.62 : x
  2. Step 2: Convert to fraction form
    38,179.22/57,268.82 = 11,886.62/x
  3. Step 3: Cross multiply
    38,179.22x = 57,268.82 × 11,886.62
  4. Step 4: Simplify right side
    38,179.22x = 680,732,444.56
  5. Step 5: Solve for x
    x = 680,732,444.56/38,179.22
  6. Step 6: Final answer
    x = 17,829.92

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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.