Home / 19,956.28-27,537.07-11,458.77

Finding the Fourth Proportional to 19,956.28, 27,537.07 and 11,458.77

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Solution

The fourth proportional to 19,956.28, 27,537.07 and 11,458.77 is: 15,811.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,956.28 : 27,537.07 = 11,458.77 : x
  2. Step 2: Convert to fraction form
    19,956.28/27,537.07 = 11,458.77/x
  3. Step 3: Cross multiply
    19,956.28x = 27,537.07 × 11,458.77
  4. Step 4: Simplify right side
    19,956.28x = 315,540,951.60
  5. Step 5: Solve for x
    x = 315,540,951.60/19,956.28
  6. Step 6: Final answer
    x = 15,811.61

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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.