Home / 18,364.96-27,543.30-5,217.04

Finding the Fourth Proportional to 18,364.96, 27,543.30 and 5,217.04

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Solution

The fourth proportional to 18,364.96, 27,543.30 and 5,217.04 is: 7,824.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,364.96 : 27,543.30 = 5,217.04 : x
  2. Step 2: Convert to fraction form
    18,364.96/27,543.30 = 5,217.04/x
  3. Step 3: Cross multiply
    18,364.96x = 27,543.30 × 5,217.04
  4. Step 4: Simplify right side
    18,364.96x = 143,694,497.83
  5. Step 5: Solve for x
    x = 143,694,497.83/18,364.96
  6. Step 6: Final answer
    x = 7,824.38

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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.