Home / 13,796.63-20,697.22-5,476.71

Finding the Fourth Proportional to 13,796.63, 20,697.22 and 5,476.71

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Solution

The fourth proportional to 13,796.63, 20,697.22 and 5,476.71 is: 8,215.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,796.63 : 20,697.22 = 5,476.71 : x
  2. Step 2: Convert to fraction form
    13,796.63/20,697.22 = 5,476.71/x
  3. Step 3: Cross multiply
    13,796.63x = 20,697.22 × 5,476.71
  4. Step 4: Simplify right side
    13,796.63x = 113,352,756.21
  5. Step 5: Solve for x
    x = 113,352,756.21/13,796.63
  6. Step 6: Final answer
    x = 8,215.97

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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.