Home / 16,934.30-23,369.09-9,380.61

Finding the Fourth Proportional to 16,934.30, 23,369.09 and 9,380.61

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Solution

The fourth proportional to 16,934.30, 23,369.09 and 9,380.61 is: 12,945.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,934.30 : 23,369.09 = 9,380.61 : x
  2. Step 2: Convert to fraction form
    16,934.30/23,369.09 = 9,380.61/x
  3. Step 3: Cross multiply
    16,934.30x = 23,369.09 × 9,380.61
  4. Step 4: Simplify right side
    16,934.30x = 219,216,272.44
  5. Step 5: Solve for x
    x = 219,216,272.44/16,934.30
  6. Step 6: Final answer
    x = 12,945.10

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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.