Home / 16,021.26-22,107.84-9,306.75

Finding the Fourth Proportional to 16,021.26, 22,107.84 and 9,306.75

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Solution

The fourth proportional to 16,021.26, 22,107.84 and 9,306.75 is: 12,842.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,021.26 : 22,107.84 = 9,306.75 : x
  2. Step 2: Convert to fraction form
    16,021.26/22,107.84 = 9,306.75/x
  3. Step 3: Cross multiply
    16,021.26x = 22,107.84 × 9,306.75
  4. Step 4: Simplify right side
    16,021.26x = 205,752,139.92
  5. Step 5: Solve for x
    x = 205,752,139.92/16,021.26
  6. Step 6: Final answer
    x = 12,842.44

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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.