Home / 19,712.62-29,494.79-11,785.96

Finding the Fourth Proportional to 19,712.62, 29,494.79 and 11,785.96

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Solution

The fourth proportional to 19,712.62, 29,494.79 and 11,785.96 is: 17,634.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,712.62 : 29,494.79 = 11,785.96 : x
  2. Step 2: Convert to fraction form
    19,712.62/29,494.79 = 11,785.96/x
  3. Step 3: Cross multiply
    19,712.62x = 29,494.79 × 11,785.96
  4. Step 4: Simplify right side
    19,712.62x = 347,624,415.15
  5. Step 5: Solve for x
    x = 347,624,415.15/19,712.62
  6. Step 6: Final answer
    x = 17,634.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.