Home / 14,781.83-20,398.53-8,067.53

Finding the Fourth Proportional to 14,781.83, 20,398.53 and 8,067.53

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Solution

The fourth proportional to 14,781.83, 20,398.53 and 8,067.53 is: 11,132.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,781.83 : 20,398.53 = 8,067.53 : x
  2. Step 2: Convert to fraction form
    14,781.83/20,398.53 = 8,067.53/x
  3. Step 3: Cross multiply
    14,781.83x = 20,398.53 × 8,067.53
  4. Step 4: Simplify right side
    14,781.83x = 164,565,833.98
  5. Step 5: Solve for x
    x = 164,565,833.98/14,781.83
  6. Step 6: Final answer
    x = 11,132.98

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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.