Home / 17,100.92-25,649.43-4,620.21

Finding the Fourth Proportional to 17,100.92, 25,649.43 and 4,620.21

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Solution

The fourth proportional to 17,100.92, 25,649.43 and 4,620.21 is: 6,929.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,100.92 : 25,649.43 = 4,620.21 : x
  2. Step 2: Convert to fraction form
    17,100.92/25,649.43 = 4,620.21/x
  3. Step 3: Cross multiply
    17,100.92x = 25,649.43 × 4,620.21
  4. Step 4: Simplify right side
    17,100.92x = 118,505,639.47
  5. Step 5: Solve for x
    x = 118,505,639.47/17,100.92
  6. Step 6: Final answer
    x = 6,929.78

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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.