Home / 19,839.06-29,877.35-18,067.59

Finding the Fourth Proportional to 19,839.06, 29,877.35 and 18,067.59

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Solution

The fourth proportional to 19,839.06, 29,877.35 and 18,067.59 is: 27,209.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,839.06 : 29,877.35 = 18,067.59 : x
  2. Step 2: Convert to fraction form
    19,839.06/29,877.35 = 18,067.59/x
  3. Step 3: Cross multiply
    19,839.06x = 29,877.35 × 18,067.59
  4. Step 4: Simplify right side
    19,839.06x = 539,811,619.75
  5. Step 5: Solve for x
    x = 539,811,619.75/19,839.06
  6. Step 6: Final answer
    x = 27,209.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.