Home / 26,520.82-39,772.72-8,747.49

Finding the Fourth Proportional to 26,520.82, 39,772.72 and 8,747.49

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Solution

The fourth proportional to 26,520.82, 39,772.72 and 8,747.49 is: 13,118.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,520.82 : 39,772.72 = 8,747.49 : x
  2. Step 2: Convert to fraction form
    26,520.82/39,772.72 = 8,747.49/x
  3. Step 3: Cross multiply
    26,520.82x = 39,772.72 × 8,747.49
  4. Step 4: Simplify right side
    26,520.82x = 347,911,378.87
  5. Step 5: Solve for x
    x = 347,911,378.87/26,520.82
  6. Step 6: Final answer
    x = 13,118.43

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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.