Home / 16,930.35-25,381.63-8,491.27

Finding the Fourth Proportional to 16,930.35, 25,381.63 and 8,491.27

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Solution

The fourth proportional to 16,930.35, 25,381.63 and 8,491.27 is: 12,729.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,930.35 : 25,381.63 = 8,491.27 : x
  2. Step 2: Convert to fraction form
    16,930.35/25,381.63 = 8,491.27/x
  3. Step 3: Cross multiply
    16,930.35x = 25,381.63 × 8,491.27
  4. Step 4: Simplify right side
    16,930.35x = 215,522,273.37
  5. Step 5: Solve for x
    x = 215,522,273.37/16,930.35
  6. Step 6: Final answer
    x = 12,729.94

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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.