Home / 22,068.26-30,454.34-11,996.78

Finding the Fourth Proportional to 22,068.26, 30,454.34 and 11,996.78

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Solution

The fourth proportional to 22,068.26, 30,454.34 and 11,996.78 is: 16,555.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,068.26 : 30,454.34 = 11,996.78 : x
  2. Step 2: Convert to fraction form
    22,068.26/30,454.34 = 11,996.78/x
  3. Step 3: Cross multiply
    22,068.26x = 30,454.34 × 11,996.78
  4. Step 4: Simplify right side
    22,068.26x = 365,354,033.18
  5. Step 5: Solve for x
    x = 365,354,033.18/22,068.26
  6. Step 6: Final answer
    x = 16,555.64

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.