Home / 15,881.82-23,823.45-5,494.38

Finding the Fourth Proportional to 15,881.82, 23,823.45 and 5,494.38

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Solution

The fourth proportional to 15,881.82, 23,823.45 and 5,494.38 is: 8,241.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,881.82 : 23,823.45 = 5,494.38 : x
  2. Step 2: Convert to fraction form
    15,881.82/23,823.45 = 5,494.38/x
  3. Step 3: Cross multiply
    15,881.82x = 23,823.45 × 5,494.38
  4. Step 4: Simplify right side
    15,881.82x = 130,895,087.21
  5. Step 5: Solve for x
    x = 130,895,087.21/15,881.82
  6. Step 6: Final answer
    x = 8,241.82

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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.