Home / 19,195.12-28,754.52-15,015.61

Finding the Fourth Proportional to 19,195.12, 28,754.52 and 15,015.61

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Solution

The fourth proportional to 19,195.12, 28,754.52 and 15,015.61 is: 22,493.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,195.12 : 28,754.52 = 15,015.61 : x
  2. Step 2: Convert to fraction form
    19,195.12/28,754.52 = 15,015.61/x
  3. Step 3: Cross multiply
    19,195.12x = 28,754.52 × 15,015.61
  4. Step 4: Simplify right side
    19,195.12x = 431,766,658.06
  5. Step 5: Solve for x
    x = 431,766,658.06/19,195.12
  6. Step 6: Final answer
    x = 22,493.56

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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.