Home / 16,269.75-22,452.39-8,817.75

Finding the Fourth Proportional to 16,269.75, 22,452.39 and 8,817.75

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Solution

The fourth proportional to 16,269.75, 22,452.39 and 8,817.75 is: 12,168.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,269.75 : 22,452.39 = 8,817.75 : x
  2. Step 2: Convert to fraction form
    16,269.75/22,452.39 = 8,817.75/x
  3. Step 3: Cross multiply
    16,269.75x = 22,452.39 × 8,817.75
  4. Step 4: Simplify right side
    16,269.75x = 197,979,561.92
  5. Step 5: Solve for x
    x = 197,979,561.92/16,269.75
  6. Step 6: Final answer
    x = 12,168.57

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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.