Home / 21,183.32-29,249.70-17,198.12

Finding the Fourth Proportional to 21,183.32, 29,249.70 and 17,198.12

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Solution

The fourth proportional to 21,183.32, 29,249.70 and 17,198.12 is: 23,746.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,183.32 : 29,249.70 = 17,198.12 : x
  2. Step 2: Convert to fraction form
    21,183.32/29,249.70 = 17,198.12/x
  3. Step 3: Cross multiply
    21,183.32x = 29,249.70 × 17,198.12
  4. Step 4: Simplify right side
    21,183.32x = 503,039,850.56
  5. Step 5: Solve for x
    x = 503,039,850.56/21,183.32
  6. Step 6: Final answer
    x = 23,746.98

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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.