Home / 22,141.46-30,553.26-12,580.76

Finding the Fourth Proportional to 22,141.46, 30,553.26 and 12,580.76

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Solution

The fourth proportional to 22,141.46, 30,553.26 and 12,580.76 is: 17,360.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,141.46 : 30,553.26 = 12,580.76 : x
  2. Step 2: Convert to fraction form
    22,141.46/30,553.26 = 12,580.76/x
  3. Step 3: Cross multiply
    22,141.46x = 30,553.26 × 12,580.76
  4. Step 4: Simplify right side
    22,141.46x = 384,383,231.28
  5. Step 5: Solve for x
    x = 384,383,231.28/22,141.46
  6. Step 6: Final answer
    x = 17,360.34

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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.