Home / 22,217.80-33,326.70-13,469.80

Finding the Fourth Proportional to 22,217.80, 33,326.70 and 13,469.80

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Solution

The fourth proportional to 22,217.80, 33,326.70 and 13,469.80 is: 20,204.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,217.80 : 33,326.70 = 13,469.80 : x
  2. Step 2: Convert to fraction form
    22,217.80/33,326.70 = 13,469.80/x
  3. Step 3: Cross multiply
    22,217.80x = 33,326.70 × 13,469.80
  4. Step 4: Simplify right side
    22,217.80x = 448,903,983.66
  5. Step 5: Solve for x
    x = 448,903,983.66/22,217.80
  6. Step 6: Final answer
    x = 20,204.70

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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.