Home / 21,474.41-29,634.72-11,914.00

Finding the Fourth Proportional to 21,474.41, 29,634.72 and 11,914.00

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Solution

The fourth proportional to 21,474.41, 29,634.72 and 11,914.00 is: 16,441.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,474.41 : 29,634.72 = 11,914.00 : x
  2. Step 2: Convert to fraction form
    21,474.41/29,634.72 = 11,914.00/x
  3. Step 3: Cross multiply
    21,474.41x = 29,634.72 × 11,914.00
  4. Step 4: Simplify right side
    21,474.41x = 353,067,905.91
  5. Step 5: Solve for x
    x = 353,067,905.91/21,474.41
  6. Step 6: Final answer
    x = 16,441.33

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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.