Home / 17,721.88-26,587.43-6,629.43

Finding the Fourth Proportional to 17,721.88, 26,587.43 and 6,629.43

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Solution

The fourth proportional to 17,721.88, 26,587.43 and 6,629.43 is: 9,945.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721.88 : 26,587.43 = 6,629.43 : x
  2. Step 2: Convert to fraction form
    17,721.88/26,587.43 = 6,629.43/x
  3. Step 3: Cross multiply
    17,721.88x = 26,587.43 × 6,629.43
  4. Step 4: Simplify right side
    17,721.88x = 176,259,466.65
  5. Step 5: Solve for x
    x = 176,259,466.65/17,721.88
  6. Step 6: Final answer
    x = 9,945.87

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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.