Home / 13,716.26-20,574.38-3,328

Finding the Fourth Proportional to 13,716.26, 20,574.38 and 3,328

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Solution

The fourth proportional to 13,716.26, 20,574.38 and 3,328 is: 4,992.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,716.26 : 20,574.38 = 3,328 : x
  2. Step 2: Convert to fraction form
    13,716.26/20,574.38 = 3,328/x
  3. Step 3: Cross multiply
    13,716.26x = 20,574.38 × 3,328
  4. Step 4: Simplify right side
    13,716.26x = 68,471,536.64
  5. Step 5: Solve for x
    x = 68,471,536.64/13,716.26
  6. Step 6: Final answer
    x = 4,992.00

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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.