Home / 26,553.70-39,821.37-11,772.96

Finding the Fourth Proportional to 26,553.70, 39,821.37 and 11,772.96

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Solution

The fourth proportional to 26,553.70, 39,821.37 and 11,772.96 is: 17,655.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,553.70 : 39,821.37 = 11,772.96 : x
  2. Step 2: Convert to fraction form
    26,553.70/39,821.37 = 11,772.96/x
  3. Step 3: Cross multiply
    26,553.70x = 39,821.37 × 11,772.96
  4. Step 4: Simplify right side
    26,553.70x = 468,815,396.16
  5. Step 5: Solve for x
    x = 468,815,396.16/26,553.70
  6. Step 6: Final answer
    x = 17,655.37

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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.