Home / 15,396.26-23,078.70-5,398.04

Finding the Fourth Proportional to 15,396.26, 23,078.70 and 5,398.04

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Solution

The fourth proportional to 15,396.26, 23,078.70 and 5,398.04 is: 8,091.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,396.26 : 23,078.70 = 5,398.04 : x
  2. Step 2: Convert to fraction form
    15,396.26/23,078.70 = 5,398.04/x
  3. Step 3: Cross multiply
    15,396.26x = 23,078.70 × 5,398.04
  4. Step 4: Simplify right side
    15,396.26x = 124,579,745.75
  5. Step 5: Solve for x
    x = 124,579,745.75/15,396.26
  6. Step 6: Final answer
    x = 8,091.56

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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.