Home / 36,893.66-55,352.16-13,200.69

Finding the Fourth Proportional to 36,893.66, 55,352.16 and 13,200.69

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Solution

The fourth proportional to 36,893.66, 55,352.16 and 13,200.69 is: 19,805.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,893.66 : 55,352.16 = 13,200.69 : x
  2. Step 2: Convert to fraction form
    36,893.66/55,352.16 = 13,200.69/x
  3. Step 3: Cross multiply
    36,893.66x = 55,352.16 × 13,200.69
  4. Step 4: Simplify right side
    36,893.66x = 730,686,704.99
  5. Step 5: Solve for x
    x = 730,686,704.99/36,893.66
  6. Step 6: Final answer
    x = 19,805.21

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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.