Home / 13,222.72-19,834.62-3,362.26

Finding the Fourth Proportional to 13,222.72, 19,834.62 and 3,362.26

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Solution

The fourth proportional to 13,222.72, 19,834.62 and 3,362.26 is: 5,043.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,222.72 : 19,834.62 = 3,362.26 : x
  2. Step 2: Convert to fraction form
    13,222.72/19,834.62 = 3,362.26/x
  3. Step 3: Cross multiply
    13,222.72x = 19,834.62 × 3,362.26
  4. Step 4: Simplify right side
    13,222.72x = 66,689,149.44
  5. Step 5: Solve for x
    x = 66,689,149.44/13,222.72
  6. Step 6: Final answer
    x = 5,043.53

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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.