Home / 18,963.99-26,164.92-11,406.54

Finding the Fourth Proportional to 18,963.99, 26,164.92 and 11,406.54

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Solution

The fourth proportional to 18,963.99, 26,164.92 and 11,406.54 is: 15,737.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,963.99 : 26,164.92 = 11,406.54 : x
  2. Step 2: Convert to fraction form
    18,963.99/26,164.92 = 11,406.54/x
  3. Step 3: Cross multiply
    18,963.99x = 26,164.92 × 11,406.54
  4. Step 4: Simplify right side
    18,963.99x = 298,451,238.49
  5. Step 5: Solve for x
    x = 298,451,238.49/18,963.99
  6. Step 6: Final answer
    x = 15,737.78

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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.