Home / 16,822.62-25,240.77-8,505

Finding the Fourth Proportional to 16,822.62, 25,240.77 and 8,505

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Solution

The fourth proportional to 16,822.62, 25,240.77 and 8,505 is: 12,760.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,822.62 : 25,240.77 = 8,505 : x
  2. Step 2: Convert to fraction form
    16,822.62/25,240.77 = 8,505/x
  3. Step 3: Cross multiply
    16,822.62x = 25,240.77 × 8,505
  4. Step 4: Simplify right side
    16,822.62x = 214,672,748.85
  5. Step 5: Solve for x
    x = 214,672,748.85/16,822.62
  6. Step 6: Final answer
    x = 12,760.96

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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.