Home / 20,625.26-30,919.19-7,468.34

Finding the Fourth Proportional to 20,625.26, 30,919.19 and 7,468.34

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Solution

The fourth proportional to 20,625.26, 30,919.19 and 7,468.34 is: 11,195.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,625.26 : 30,919.19 = 7,468.34 : x
  2. Step 2: Convert to fraction form
    20,625.26/30,919.19 = 7,468.34/x
  3. Step 3: Cross multiply
    20,625.26x = 30,919.19 × 7,468.34
  4. Step 4: Simplify right side
    20,625.26x = 230,914,831.51
  5. Step 5: Solve for x
    x = 230,914,831.51/20,625.26
  6. Step 6: Final answer
    x = 11,195.73

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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.