Home / 19,882.86-27,439.08-11,923.56

Finding the Fourth Proportional to 19,882.86, 27,439.08 and 11,923.56

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Solution

The fourth proportional to 19,882.86, 27,439.08 and 11,923.56 is: 16,454.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,882.86 : 27,439.08 = 11,923.56 : x
  2. Step 2: Convert to fraction form
    19,882.86/27,439.08 = 11,923.56/x
  3. Step 3: Cross multiply
    19,882.86x = 27,439.08 × 11,923.56
  4. Step 4: Simplify right side
    19,882.86x = 327,171,516.72
  5. Step 5: Solve for x
    x = 327,171,516.72/19,882.86
  6. Step 6: Final answer
    x = 16,454.95

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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.