Home / 21,548.00-29,732.61-11,986.64

Finding the Fourth Proportional to 21,548.00, 29,732.61 and 11,986.64

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Solution

The fourth proportional to 21,548.00, 29,732.61 and 11,986.64 is: 16,539.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,548.00 : 29,732.61 = 11,986.64 : x
  2. Step 2: Convert to fraction form
    21,548.00/29,732.61 = 11,986.64/x
  3. Step 3: Cross multiply
    21,548.00x = 29,732.61 × 11,986.64
  4. Step 4: Simplify right side
    21,548.00x = 356,393,943.67
  5. Step 5: Solve for x
    x = 356,393,943.67/21,548.00
  6. Step 6: Final answer
    x = 16,539.54

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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.