Home / 18,512.55-27,773.15-5,365.17

Finding the Fourth Proportional to 18,512.55, 27,773.15 and 5,365.17

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Solution

The fourth proportional to 18,512.55, 27,773.15 and 5,365.17 is: 8,049.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,512.55 : 27,773.15 = 5,365.17 : x
  2. Step 2: Convert to fraction form
    18,512.55/27,773.15 = 5,365.17/x
  3. Step 3: Cross multiply
    18,512.55x = 27,773.15 × 5,365.17
  4. Step 4: Simplify right side
    18,512.55x = 149,007,644.36
  5. Step 5: Solve for x
    x = 149,007,644.36/18,512.55
  6. Step 6: Final answer
    x = 8,049.01

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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.