Home / 21,584.38-29,757.72-16,183.84

Finding the Fourth Proportional to 21,584.38, 29,757.72 and 16,183.84

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Solution

The fourth proportional to 21,584.38, 29,757.72 and 16,183.84 is: 22,312.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,584.38 : 29,757.72 = 16,183.84 : x
  2. Step 2: Convert to fraction form
    21,584.38/29,757.72 = 16,183.84/x
  3. Step 3: Cross multiply
    21,584.38x = 29,757.72 × 16,183.84
  4. Step 4: Simplify right side
    21,584.38x = 481,594,179.24
  5. Step 5: Solve for x
    x = 481,594,179.24/21,584.38
  6. Step 6: Final answer
    x = 22,312.16

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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.