Home / 20,092.70-30,143.49-6,766.35

Finding the Fourth Proportional to 20,092.70, 30,143.49 and 6,766.35

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Solution

The fourth proportional to 20,092.70, 30,143.49 and 6,766.35 is: 10,151.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,092.70 : 30,143.49 = 6,766.35 : x
  2. Step 2: Convert to fraction form
    20,092.70/30,143.49 = 6,766.35/x
  3. Step 3: Cross multiply
    20,092.70x = 30,143.49 × 6,766.35
  4. Step 4: Simplify right side
    20,092.70x = 203,961,403.56
  5. Step 5: Solve for x
    x = 203,961,403.56/20,092.70
  6. Step 6: Final answer
    x = 10,151.02

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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.