Home / 17,205.22-25,812.45-13,708.43

Finding the Fourth Proportional to 17,205.22, 25,812.45 and 13,708.43

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Solution

The fourth proportional to 17,205.22, 25,812.45 and 13,708.43 is: 20,566.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,205.22 : 25,812.45 = 13,708.43 : x
  2. Step 2: Convert to fraction form
    17,205.22/25,812.45 = 13,708.43/x
  3. Step 3: Cross multiply
    17,205.22x = 25,812.45 × 13,708.43
  4. Step 4: Simplify right side
    17,205.22x = 353,848,163.95
  5. Step 5: Solve for x
    x = 353,848,163.95/17,205.22
  6. Step 6: Final answer
    x = 20,566.33

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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.