Home / 16,811.12-23,198.20-9,256

Finding the Fourth Proportional to 16,811.12, 23,198.20 and 9,256

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Solution

The fourth proportional to 16,811.12, 23,198.20 and 9,256 is: 12,772.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811.12 : 23,198.20 = 9,256 : x
  2. Step 2: Convert to fraction form
    16,811.12/23,198.20 = 9,256/x
  3. Step 3: Cross multiply
    16,811.12x = 23,198.20 × 9,256
  4. Step 4: Simplify right side
    16,811.12x = 214,722,539.20
  5. Step 5: Solve for x
    x = 214,722,539.20/16,811.12
  6. Step 6: Final answer
    x = 12,772.65

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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.