Home / 16,778.88-25,132.74-11,489.08

Finding the Fourth Proportional to 16,778.88, 25,132.74 and 11,489.08

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Solution

The fourth proportional to 16,778.88, 25,132.74 and 11,489.08 is: 17,209.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,778.88 : 25,132.74 = 11,489.08 : x
  2. Step 2: Convert to fraction form
    16,778.88/25,132.74 = 11,489.08/x
  3. Step 3: Cross multiply
    16,778.88x = 25,132.74 × 11,489.08
  4. Step 4: Simplify right side
    16,778.88x = 288,752,060.48
  5. Step 5: Solve for x
    x = 288,752,060.48/16,778.88
  6. Step 6: Final answer
    x = 17,209.26

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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.