Home / 20,098.09-30,151.46-6,772.42

Finding the Fourth Proportional to 20,098.09, 30,151.46 and 6,772.42

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Solution

The fourth proportional to 20,098.09, 30,151.46 and 6,772.42 is: 10,160.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,098.09 : 30,151.46 = 6,772.42 : x
  2. Step 2: Convert to fraction form
    20,098.09/30,151.46 = 6,772.42/x
  3. Step 3: Cross multiply
    20,098.09x = 30,151.46 × 6,772.42
  4. Step 4: Simplify right side
    20,098.09x = 204,198,292.29
  5. Step 5: Solve for x
    x = 204,198,292.29/20,098.09
  6. Step 6: Final answer
    x = 10,160.09

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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.