Home / 22,105.70-33,147.15-6,521.30

Finding the Fourth Proportional to 22,105.70, 33,147.15 and 6,521.30

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Solution

The fourth proportional to 22,105.70, 33,147.15 and 6,521.30 is: 9,778.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,105.70 : 33,147.15 = 6,521.30 : x
  2. Step 2: Convert to fraction form
    22,105.70/33,147.15 = 6,521.30/x
  3. Step 3: Cross multiply
    22,105.70x = 33,147.15 × 6,521.30
  4. Step 4: Simplify right side
    22,105.70x = 216,162,509.30
  5. Step 5: Solve for x
    x = 216,162,509.30/22,105.70
  6. Step 6: Final answer
    x = 9,778.59

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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.