Home / 22,134.75-30,546.36-12,705.54

Finding the Fourth Proportional to 22,134.75, 30,546.36 and 12,705.54

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Solution

The fourth proportional to 22,134.75, 30,546.36 and 12,705.54 is: 17,533.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,134.75 : 30,546.36 = 12,705.54 : x
  2. Step 2: Convert to fraction form
    22,134.75/30,546.36 = 12,705.54/x
  3. Step 3: Cross multiply
    22,134.75x = 30,546.36 × 12,705.54
  4. Step 4: Simplify right side
    22,134.75x = 388,107,998.83
  5. Step 5: Solve for x
    x = 388,107,998.83/22,134.75
  6. Step 6: Final answer
    x = 17,533.88

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Half scale
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Double scale
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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.