Home / 14,661.80-21,986.46-5,654.44

Finding the Fourth Proportional to 14,661.80, 21,986.46 and 5,654.44

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Solution

The fourth proportional to 14,661.80, 21,986.46 and 5,654.44 is: 8,479.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,661.80 : 21,986.46 = 5,654.44 : x
  2. Step 2: Convert to fraction form
    14,661.80/21,986.46 = 5,654.44/x
  3. Step 3: Cross multiply
    14,661.80x = 21,986.46 × 5,654.44
  4. Step 4: Simplify right side
    14,661.80x = 124,321,118.88
  5. Step 5: Solve for x
    x = 124,321,118.88/14,661.80
  6. Step 6: Final answer
    x = 8,479.25

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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.