Home / 22,135.24-33,206.10-8,281

Finding the Fourth Proportional to 22,135.24, 33,206.10 and 8,281

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Solution

The fourth proportional to 22,135.24, 33,206.10 and 8,281 is: 12,422.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,135.24 : 33,206.10 = 8,281 : x
  2. Step 2: Convert to fraction form
    22,135.24/33,206.10 = 8,281/x
  3. Step 3: Cross multiply
    22,135.24x = 33,206.10 × 8,281
  4. Step 4: Simplify right side
    22,135.24x = 274,979,714.10
  5. Step 5: Solve for x
    x = 274,979,714.10/22,135.24
  6. Step 6: Final answer
    x = 12,422.71

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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.