Home / 22,166.20-33,249.30-21,206.35

Finding the Fourth Proportional to 22,166.20, 33,249.30 and 21,206.35

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Solution

The fourth proportional to 22,166.20, 33,249.30 and 21,206.35 is: 31,809.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,166.20 : 33,249.30 = 21,206.35 : x
  2. Step 2: Convert to fraction form
    22,166.20/33,249.30 = 21,206.35/x
  3. Step 3: Cross multiply
    22,166.20x = 33,249.30 × 21,206.35
  4. Step 4: Simplify right side
    22,166.20x = 705,096,293.06
  5. Step 5: Solve for x
    x = 705,096,293.06/22,166.20
  6. Step 6: Final answer
    x = 31,809.53

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Double scale
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Similar ratio
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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.