Home / 22,078.22-33,116.49-7,286.70

Finding the Fourth Proportional to 22,078.22, 33,116.49 and 7,286.70

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Solution

The fourth proportional to 22,078.22, 33,116.49 and 7,286.70 is: 10,929.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,078.22 : 33,116.49 = 7,286.70 : x
  2. Step 2: Convert to fraction form
    22,078.22/33,116.49 = 7,286.70/x
  3. Step 3: Cross multiply
    22,078.22x = 33,116.49 × 7,286.70
  4. Step 4: Simplify right side
    22,078.22x = 241,309,927.68
  5. Step 5: Solve for x
    x = 241,309,927.68/22,078.22
  6. Step 6: Final answer
    x = 10,929.77

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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.