Home / 16,912.36-25,371.73-5,222.85

Finding the Fourth Proportional to 16,912.36, 25,371.73 and 5,222.85

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Solution

The fourth proportional to 16,912.36, 25,371.73 and 5,222.85 is: 7,835.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.36 : 25,371.73 = 5,222.85 : x
  2. Step 2: Convert to fraction form
    16,912.36/25,371.73 = 5,222.85/x
  3. Step 3: Cross multiply
    16,912.36x = 25,371.73 × 5,222.85
  4. Step 4: Simplify right side
    16,912.36x = 132,512,740.03
  5. Step 5: Solve for x
    x = 132,512,740.03/16,912.36
  6. Step 6: Final answer
    x = 7,835.26

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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.