Home / 13,617.26-20,425.32-3,756.27

Finding the Fourth Proportional to 13,617.26, 20,425.32 and 3,756.27

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Solution

The fourth proportional to 13,617.26, 20,425.32 and 3,756.27 is: 5,634.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,617.26 : 20,425.32 = 3,756.27 : x
  2. Step 2: Convert to fraction form
    13,617.26/20,425.32 = 3,756.27/x
  3. Step 3: Cross multiply
    13,617.26x = 20,425.32 × 3,756.27
  4. Step 4: Simplify right side
    13,617.26x = 76,723,016.76
  5. Step 5: Solve for x
    x = 76,723,016.76/13,617.26
  6. Step 6: Final answer
    x = 5,634.25

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1.5x scale

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.