Home / 16,942.03-25,402.75-7,580.31

Finding the Fourth Proportional to 16,942.03, 25,402.75 and 7,580.31

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Solution

The fourth proportional to 16,942.03, 25,402.75 and 7,580.31 is: 11,365.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,942.03 : 25,402.75 = 7,580.31 : x
  2. Step 2: Convert to fraction form
    16,942.03/25,402.75 = 7,580.31/x
  3. Step 3: Cross multiply
    16,942.03x = 25,402.75 × 7,580.31
  4. Step 4: Simplify right side
    16,942.03x = 192,560,719.85
  5. Step 5: Solve for x
    x = 192,560,719.85/16,942.03
  6. Step 6: Final answer
    x = 11,365.86

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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.