Home / 18,633.38-25,722.63-11,563.97

Finding the Fourth Proportional to 18,633.38, 25,722.63 and 11,563.97

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Solution

The fourth proportional to 18,633.38, 25,722.63 and 11,563.97 is: 15,963.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,633.38 : 25,722.63 = 11,563.97 : x
  2. Step 2: Convert to fraction form
    18,633.38/25,722.63 = 11,563.97/x
  3. Step 3: Cross multiply
    18,633.38x = 25,722.63 × 11,563.97
  4. Step 4: Simplify right side
    18,633.38x = 297,455,593.03
  5. Step 5: Solve for x
    x = 297,455,593.03/18,633.38
  6. Step 6: Final answer
    x = 15,963.59

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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.