Home / 18,725.33-28,054.15-11,701.97

Finding the Fourth Proportional to 18,725.33, 28,054.15 and 11,701.97

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Solution

The fourth proportional to 18,725.33, 28,054.15 and 11,701.97 is: 17,531.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725.33 : 28,054.15 = 11,701.97 : x
  2. Step 2: Convert to fraction form
    18,725.33/28,054.15 = 11,701.97/x
  3. Step 3: Cross multiply
    18,725.33x = 28,054.15 × 11,701.97
  4. Step 4: Simplify right side
    18,725.33x = 328,288,757.35
  5. Step 5: Solve for x
    x = 328,288,757.35/18,725.33
  6. Step 6: Final answer
    x = 17,531.80

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1.5x scale

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.