Home / 14,126.92-21,188.22-3,739.48

Finding the Fourth Proportional to 14,126.92, 21,188.22 and 3,739.48

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Solution

The fourth proportional to 14,126.92, 21,188.22 and 3,739.48 is: 5,608.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.92 : 21,188.22 = 3,739.48 : x
  2. Step 2: Convert to fraction form
    14,126.92/21,188.22 = 3,739.48/x
  3. Step 3: Cross multiply
    14,126.92x = 21,188.22 × 3,739.48
  4. Step 4: Simplify right side
    14,126.92x = 79,232,924.93
  5. Step 5: Solve for x
    x = 79,232,924.93/14,126.92
  6. Step 6: Final answer
    x = 5,608.65

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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.