Home / 21,584.44-29,786.50-12,633.64

Finding the Fourth Proportional to 21,584.44, 29,786.50 and 12,633.64

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Solution

The fourth proportional to 21,584.44, 29,786.50 and 12,633.64 is: 17,434.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,584.44 : 29,786.50 = 12,633.64 : x
  2. Step 2: Convert to fraction form
    21,584.44/29,786.50 = 12,633.64/x
  3. Step 3: Cross multiply
    21,584.44x = 29,786.50 × 12,633.64
  4. Step 4: Simplify right side
    21,584.44x = 376,311,917.86
  5. Step 5: Solve for x
    x = 376,311,917.86/21,584.44
  6. Step 6: Final answer
    x = 17,434.41

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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.