Home / 13,336.26-18,403.11-7,367.82

Finding the Fourth Proportional to 13,336.26, 18,403.11 and 7,367.82

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Solution

The fourth proportional to 13,336.26, 18,403.11 and 7,367.82 is: 10,167.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.26 : 18,403.11 = 7,367.82 : x
  2. Step 2: Convert to fraction form
    13,336.26/18,403.11 = 7,367.82/x
  3. Step 3: Cross multiply
    13,336.26x = 18,403.11 × 7,367.82
  4. Step 4: Simplify right side
    13,336.26x = 135,590,801.92
  5. Step 5: Solve for x
    x = 135,590,801.92/13,336.26
  6. Step 6: Final answer
    x = 10,167.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.