Home / 19,997.15-29,996.53-6,850.85

Finding the Fourth Proportional to 19,997.15, 29,996.53 and 6,850.85

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Solution

The fourth proportional to 19,997.15, 29,996.53 and 6,850.85 is: 10,276.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,997.15 : 29,996.53 = 6,850.85 : x
  2. Step 2: Convert to fraction form
    19,997.15/29,996.53 = 6,850.85/x
  3. Step 3: Cross multiply
    19,997.15x = 29,996.53 × 6,850.85
  4. Step 4: Simplify right side
    19,997.15x = 205,501,560.44
  5. Step 5: Solve for x
    x = 205,501,560.44/19,997.15
  6. Step 6: Final answer
    x = 10,276.54

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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.