Home / 14,781.59-20,398.66-8,067.36

Finding the Fourth Proportional to 14,781.59, 20,398.66 and 8,067.36

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Solution

The fourth proportional to 14,781.59, 20,398.66 and 8,067.36 is: 11,133.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,781.59 : 20,398.66 = 8,067.36 : x
  2. Step 2: Convert to fraction form
    14,781.59/20,398.66 = 8,067.36/x
  3. Step 3: Cross multiply
    14,781.59x = 20,398.66 × 8,067.36
  4. Step 4: Simplify right side
    14,781.59x = 164,563,412.75
  5. Step 5: Solve for x
    x = 164,563,412.75/14,781.59
  6. Step 6: Final answer
    x = 11,133.00

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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.