Home / 16,513.54-24,735.26-12,986.80

Finding the Fourth Proportional to 16,513.54, 24,735.26 and 12,986.80

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Solution

The fourth proportional to 16,513.54, 24,735.26 and 12,986.80 is: 19,452.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,513.54 : 24,735.26 = 12,986.80 : x
  2. Step 2: Convert to fraction form
    16,513.54/24,735.26 = 12,986.80/x
  3. Step 3: Cross multiply
    16,513.54x = 24,735.26 × 12,986.80
  4. Step 4: Simplify right side
    16,513.54x = 321,231,874.57
  5. Step 5: Solve for x
    x = 321,231,874.57/16,513.54
  6. Step 6: Final answer
    x = 19,452.64

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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.