Home / 22,148.74-33,223.28-8,109.21

Finding the Fourth Proportional to 22,148.74, 33,223.28 and 8,109.21

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Solution

The fourth proportional to 22,148.74, 33,223.28 and 8,109.21 is: 12,163.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,148.74 : 33,223.28 = 8,109.21 : x
  2. Step 2: Convert to fraction form
    22,148.74/33,223.28 = 8,109.21/x
  3. Step 3: Cross multiply
    22,148.74x = 33,223.28 × 8,109.21
  4. Step 4: Simplify right side
    22,148.74x = 269,414,554.41
  5. Step 5: Solve for x
    x = 269,414,554.41/22,148.74
  6. Step 6: Final answer
    x = 12,163.88

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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.