Home / 23,317.44-34,986.49-12,221.49

Finding the Fourth Proportional to 23,317.44, 34,986.49 and 12,221.49

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Solution

The fourth proportional to 23,317.44, 34,986.49 and 12,221.49 is: 18,337.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,317.44 : 34,986.49 = 12,221.49 : x
  2. Step 2: Convert to fraction form
    23,317.44/34,986.49 = 12,221.49/x
  3. Step 3: Cross multiply
    23,317.44x = 34,986.49 × 12,221.49
  4. Step 4: Simplify right side
    23,317.44x = 427,587,007.12
  5. Step 5: Solve for x
    x = 427,587,007.12/23,317.44
  6. Step 6: Final answer
    x = 18,337.65

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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.