Home / 22,115.39-33,160.23-7,320.33

Finding the Fourth Proportional to 22,115.39, 33,160.23 and 7,320.33

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Solution

The fourth proportional to 22,115.39, 33,160.23 and 7,320.33 is: 10,976.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,115.39 : 33,160.23 = 7,320.33 : x
  2. Step 2: Convert to fraction form
    22,115.39/33,160.23 = 7,320.33/x
  3. Step 3: Cross multiply
    22,115.39x = 33,160.23 × 7,320.33
  4. Step 4: Simplify right side
    22,115.39x = 242,743,826.48
  5. Step 5: Solve for x
    x = 242,743,826.48/22,115.39
  6. Step 6: Final answer
    x = 10,976.24

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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.