Home / 22,156.80-33,234.66-9,005.91

Finding the Fourth Proportional to 22,156.80, 33,234.66 and 9,005.91

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Solution

The fourth proportional to 22,156.80, 33,234.66 and 9,005.91 is: 13,508.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,156.80 : 33,234.66 = 9,005.91 : x
  2. Step 2: Convert to fraction form
    22,156.80/33,234.66 = 9,005.91/x
  3. Step 3: Cross multiply
    22,156.80x = 33,234.66 × 9,005.91
  4. Step 4: Simplify right side
    22,156.80x = 299,308,356.84
  5. Step 5: Solve for x
    x = 299,308,356.84/22,156.80
  6. Step 6: Final answer
    x = 13,508.65

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1.5x scale

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.