Home / 19,085.97-28,647.18-11,704.85

Finding the Fourth Proportional to 19,085.97, 28,647.18 and 11,704.85

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Solution

The fourth proportional to 19,085.97, 28,647.18 and 11,704.85 is: 17,568.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,085.97 : 28,647.18 = 11,704.85 : x
  2. Step 2: Convert to fraction form
    19,085.97/28,647.18 = 11,704.85/x
  3. Step 3: Cross multiply
    19,085.97x = 28,647.18 × 11,704.85
  4. Step 4: Simplify right side
    19,085.97x = 335,310,801.59
  5. Step 5: Solve for x
    x = 335,310,801.59/19,085.97
  6. Step 6: Final answer
    x = 17,568.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.