Home / 13,776.33-20,650.35-5,452.95

Finding the Fourth Proportional to 13,776.33, 20,650.35 and 5,452.95

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Solution

The fourth proportional to 13,776.33, 20,650.35 and 5,452.95 is: 8,173.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,776.33 : 20,650.35 = 5,452.95 : x
  2. Step 2: Convert to fraction form
    13,776.33/20,650.35 = 5,452.95/x
  3. Step 3: Cross multiply
    13,776.33x = 20,650.35 × 5,452.95
  4. Step 4: Simplify right side
    13,776.33x = 112,605,326.03
  5. Step 5: Solve for x
    x = 112,605,326.03/13,776.33
  6. Step 6: Final answer
    x = 8,173.83

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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.