Home / 20,067.84-30,091.56-11,750.46

Finding the Fourth Proportional to 20,067.84, 30,091.56 and 11,750.46

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Solution

The fourth proportional to 20,067.84, 30,091.56 and 11,750.46 is: 17,619.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,067.84 : 30,091.56 = 11,750.46 : x
  2. Step 2: Convert to fraction form
    20,067.84/30,091.56 = 11,750.46/x
  3. Step 3: Cross multiply
    20,067.84x = 30,091.56 × 11,750.46
  4. Step 4: Simplify right side
    20,067.84x = 353,589,672.12
  5. Step 5: Solve for x
    x = 353,589,672.12/20,067.84
  6. Step 6: Final answer
    x = 17,619.72

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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.