Home / 20,183.84-27,844.72-11,796.64

Finding the Fourth Proportional to 20,183.84, 27,844.72 and 11,796.64

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Solution

The fourth proportional to 20,183.84, 27,844.72 and 11,796.64 is: 16,274.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183.84 : 27,844.72 = 11,796.64 : x
  2. Step 2: Convert to fraction form
    20,183.84/27,844.72 = 11,796.64/x
  3. Step 3: Cross multiply
    20,183.84x = 27,844.72 × 11,796.64
  4. Step 4: Simplify right side
    20,183.84x = 328,474,137.74
  5. Step 5: Solve for x
    x = 328,474,137.74/20,183.84
  6. Step 6: Final answer
    x = 16,274.12

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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.