Home / 17,222.90-25,835.16-6,129.68

Finding the Fourth Proportional to 17,222.90, 25,835.16 and 6,129.68

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Solution

The fourth proportional to 17,222.90, 25,835.16 and 6,129.68 is: 9,194.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,222.90 : 25,835.16 = 6,129.68 : x
  2. Step 2: Convert to fraction form
    17,222.90/25,835.16 = 6,129.68/x
  3. Step 3: Cross multiply
    17,222.90x = 25,835.16 × 6,129.68
  4. Step 4: Simplify right side
    17,222.90x = 158,361,263.55
  5. Step 5: Solve for x
    x = 158,361,263.55/17,222.90
  6. Step 6: Final answer
    x = 9,194.81

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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.