Home / 26,001.36-38,997.18-8,471.88

Finding the Fourth Proportional to 26,001.36, 38,997.18 and 8,471.88

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Solution

The fourth proportional to 26,001.36, 38,997.18 and 8,471.88 is: 12,706.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,001.36 : 38,997.18 = 8,471.88 : x
  2. Step 2: Convert to fraction form
    26,001.36/38,997.18 = 8,471.88/x
  3. Step 3: Cross multiply
    26,001.36x = 38,997.18 × 8,471.88
  4. Step 4: Simplify right side
    26,001.36x = 330,379,429.30
  5. Step 5: Solve for x
    x = 330,379,429.30/26,001.36
  6. Step 6: Final answer
    x = 12,706.24

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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.