Home / 13,206.33-19,805.85-6,629.58

Finding the Fourth Proportional to 13,206.33, 19,805.85 and 6,629.58

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Solution

The fourth proportional to 13,206.33, 19,805.85 and 6,629.58 is: 9,942.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206.33 : 19,805.85 = 6,629.58 : x
  2. Step 2: Convert to fraction form
    13,206.33/19,805.85 = 6,629.58/x
  3. Step 3: Cross multiply
    13,206.33x = 19,805.85 × 6,629.58
  4. Step 4: Simplify right side
    13,206.33x = 131,304,467.04
  5. Step 5: Solve for x
    x = 131,304,467.04/13,206.33
  6. Step 6: Final answer
    x = 9,942.54

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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.