Home / 16,217.08-22,380.62-9,143.96

Finding the Fourth Proportional to 16,217.08, 22,380.62 and 9,143.96

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Solution

The fourth proportional to 16,217.08, 22,380.62 and 9,143.96 is: 12,619.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,217.08 : 22,380.62 = 9,143.96 : x
  2. Step 2: Convert to fraction form
    16,217.08/22,380.62 = 9,143.96/x
  3. Step 3: Cross multiply
    16,217.08x = 22,380.62 × 9,143.96
  4. Step 4: Simplify right side
    16,217.08x = 204,647,336.43
  5. Step 5: Solve for x
    x = 204,647,336.43/16,217.08
  6. Step 6: Final answer
    x = 12,619.25

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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.