Home / 13,766.12-20,642.67-5,336.57

Finding the Fourth Proportional to 13,766.12, 20,642.67 and 5,336.57

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Solution

The fourth proportional to 13,766.12, 20,642.67 and 5,336.57 is: 8,002.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766.12 : 20,642.67 = 5,336.57 : x
  2. Step 2: Convert to fraction form
    13,766.12/20,642.67 = 5,336.57/x
  3. Step 3: Cross multiply
    13,766.12x = 20,642.67 × 5,336.57
  4. Step 4: Simplify right side
    13,766.12x = 110,160,950.23
  5. Step 5: Solve for x
    x = 110,160,950.23/13,766.12
  6. Step 6: Final answer
    x = 8,002.33

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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.