Home / 16,211.25-22,371.53-8,759.25

Finding the Fourth Proportional to 16,211.25, 22,371.53 and 8,759.25

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Solution

The fourth proportional to 16,211.25, 22,371.53 and 8,759.25 is: 12,087.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,211.25 : 22,371.53 = 8,759.25 : x
  2. Step 2: Convert to fraction form
    16,211.25/22,371.53 = 8,759.25/x
  3. Step 3: Cross multiply
    16,211.25x = 22,371.53 × 8,759.25
  4. Step 4: Simplify right side
    16,211.25x = 195,957,780.36
  5. Step 5: Solve for x
    x = 195,957,780.36/16,211.25
  6. Step 6: Final answer
    x = 12,087.77

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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.