Home / 17,311.30-25,948.41-12,365.94

Finding the Fourth Proportional to 17,311.30, 25,948.41 and 12,365.94

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Solution

The fourth proportional to 17,311.30, 25,948.41 and 12,365.94 is: 18,535.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,311.30 : 25,948.41 = 12,365.94 : x
  2. Step 2: Convert to fraction form
    17,311.30/25,948.41 = 12,365.94/x
  3. Step 3: Cross multiply
    17,311.30x = 25,948.41 × 12,365.94
  4. Step 4: Simplify right side
    17,311.30x = 320,876,481.16
  5. Step 5: Solve for x
    x = 320,876,481.16/17,311.30
  6. Step 6: Final answer
    x = 18,535.67

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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.