Home / 14,418.47-21,625.92-3,889.35

Finding the Fourth Proportional to 14,418.47, 21,625.92 and 3,889.35

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Solution

The fourth proportional to 14,418.47, 21,625.92 and 3,889.35 is: 5,833.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,418.47 : 21,625.92 = 3,889.35 : x
  2. Step 2: Convert to fraction form
    14,418.47/21,625.92 = 3,889.35/x
  3. Step 3: Cross multiply
    14,418.47x = 21,625.92 × 3,889.35
  4. Step 4: Simplify right side
    14,418.47x = 84,110,771.95
  5. Step 5: Solve for x
    x = 84,110,771.95/14,418.47
  6. Step 6: Final answer
    x = 5,833.54

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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.