Home / 13,997.97-20,996.82-5,676.01

Finding the Fourth Proportional to 13,997.97, 20,996.82 and 5,676.01

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Solution

The fourth proportional to 13,997.97, 20,996.82 and 5,676.01 is: 8,513.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997.97 : 20,996.82 = 5,676.01 : x
  2. Step 2: Convert to fraction form
    13,997.97/20,996.82 = 5,676.01/x
  3. Step 3: Cross multiply
    13,997.97x = 20,996.82 × 5,676.01
  4. Step 4: Simplify right side
    13,997.97x = 119,178,160.29
  5. Step 5: Solve for x
    x = 119,178,160.29/13,997.97
  6. Step 6: Final answer
    x = 8,513.96

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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.