Home / 18,321.17-27,481.82-4,470.17

Finding the Fourth Proportional to 18,321.17, 27,481.82 and 4,470.17

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Solution

The fourth proportional to 18,321.17, 27,481.82 and 4,470.17 is: 6,705.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321.17 : 27,481.82 = 4,470.17 : x
  2. Step 2: Convert to fraction form
    18,321.17/27,481.82 = 4,470.17/x
  3. Step 3: Cross multiply
    18,321.17x = 27,481.82 × 4,470.17
  4. Step 4: Simplify right side
    18,321.17x = 122,848,247.55
  5. Step 5: Solve for x
    x = 122,848,247.55/18,321.17
  6. Step 6: Final answer
    x = 6,705.26

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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.