Home / 18,634.56-25,721.18-11,086.24

Finding the Fourth Proportional to 18,634.56, 25,721.18 and 11,086.24

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Solution

The fourth proportional to 18,634.56, 25,721.18 and 11,086.24 is: 15,302.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,634.56 : 25,721.18 = 11,086.24 : x
  2. Step 2: Convert to fraction form
    18,634.56/25,721.18 = 11,086.24/x
  3. Step 3: Cross multiply
    18,634.56x = 25,721.18 × 11,086.24
  4. Step 4: Simplify right side
    18,634.56x = 285,151,174.56
  5. Step 5: Solve for x
    x = 285,151,174.56/18,634.56
  6. Step 6: Final answer
    x = 15,302.28

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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.