Home / 14,781.69-20,398.57-8,067.26

Finding the Fourth Proportional to 14,781.69, 20,398.57 and 8,067.26

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Solution

The fourth proportional to 14,781.69, 20,398.57 and 8,067.26 is: 11,132.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,781.69 : 20,398.57 = 8,067.26 : x
  2. Step 2: Convert to fraction form
    14,781.69/20,398.57 = 8,067.26/x
  3. Step 3: Cross multiply
    14,781.69x = 20,398.57 × 8,067.26
  4. Step 4: Simplify right side
    14,781.69x = 164,560,598.65
  5. Step 5: Solve for x
    x = 164,560,598.65/14,781.69
  6. Step 6: Final answer
    x = 11,132.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.