Home / 14,517.15-21,771.09-4,654.08

Finding the Fourth Proportional to 14,517.15, 21,771.09 and 4,654.08

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Solution

The fourth proportional to 14,517.15, 21,771.09 and 4,654.08 is: 6,979.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,517.15 : 21,771.09 = 4,654.08 : x
  2. Step 2: Convert to fraction form
    14,517.15/21,771.09 = 4,654.08/x
  3. Step 3: Cross multiply
    14,517.15x = 21,771.09 × 4,654.08
  4. Step 4: Simplify right side
    14,517.15x = 101,324,394.55
  5. Step 5: Solve for x
    x = 101,324,394.55/14,517.15
  6. Step 6: Final answer
    x = 6,979.63

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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.