Home / 18,347.96-27,517.88-5,200.04

Finding the Fourth Proportional to 18,347.96, 27,517.88 and 5,200.04

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Solution

The fourth proportional to 18,347.96, 27,517.88 and 5,200.04 is: 7,798.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,347.96 : 27,517.88 = 5,200.04 : x
  2. Step 2: Convert to fraction form
    18,347.96/27,517.88 = 5,200.04/x
  3. Step 3: Cross multiply
    18,347.96x = 27,517.88 × 5,200.04
  4. Step 4: Simplify right side
    18,347.96x = 143,094,076.72
  5. Step 5: Solve for x
    x = 143,094,076.72/18,347.96
  6. Step 6: Final answer
    x = 7,798.91

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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.