Home / 18,625.11-25,739.52-15,262.62

Finding the Fourth Proportional to 18,625.11, 25,739.52 and 15,262.62

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Solution

The fourth proportional to 18,625.11, 25,739.52 and 15,262.62 is: 21,092.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,625.11 : 25,739.52 = 15,262.62 : x
  2. Step 2: Convert to fraction form
    18,625.11/25,739.52 = 15,262.62/x
  3. Step 3: Cross multiply
    18,625.11x = 25,739.52 × 15,262.62
  4. Step 4: Simplify right side
    18,625.11x = 392,852,512.74
  5. Step 5: Solve for x
    x = 392,852,512.74/18,625.11
  6. Step 6: Final answer
    x = 21,092.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.