Home / 20,198.26-30,250.36-19,497.61

Finding the Fourth Proportional to 20,198.26, 30,250.36 and 19,497.61

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Solution

The fourth proportional to 20,198.26, 30,250.36 and 19,497.61 is: 29,201.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,198.26 : 30,250.36 = 19,497.61 : x
  2. Step 2: Convert to fraction form
    20,198.26/30,250.36 = 19,497.61/x
  3. Step 3: Cross multiply
    20,198.26x = 30,250.36 × 19,497.61
  4. Step 4: Simplify right side
    20,198.26x = 589,809,721.64
  5. Step 5: Solve for x
    x = 589,809,721.64/20,198.26
  6. Step 6: Final answer
    x = 29,201.02

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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.