Home / 20,416.88-30,552.36-16,004

Finding the Fourth Proportional to 20,416.88, 30,552.36 and 16,004

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Solution

The fourth proportional to 20,416.88, 30,552.36 and 16,004 is: 23,948.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,416.88 : 30,552.36 = 16,004 : x
  2. Step 2: Convert to fraction form
    20,416.88/30,552.36 = 16,004/x
  3. Step 3: Cross multiply
    20,416.88x = 30,552.36 × 16,004
  4. Step 4: Simplify right side
    20,416.88x = 488,959,969.44
  5. Step 5: Solve for x
    x = 488,959,969.44/20,416.88
  6. Step 6: Final answer
    x = 23,948.81

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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.