Home / 18,227.18-25,100.54-15,836.06

Finding the Fourth Proportional to 18,227.18, 25,100.54 and 15,836.06

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Solution

The fourth proportional to 18,227.18, 25,100.54 and 15,836.06 is: 21,807.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,227.18 : 25,100.54 = 15,836.06 : x
  2. Step 2: Convert to fraction form
    18,227.18/25,100.54 = 15,836.06/x
  3. Step 3: Cross multiply
    18,227.18x = 25,100.54 × 15,836.06
  4. Step 4: Simplify right side
    18,227.18x = 397,493,657.47
  5. Step 5: Solve for x
    x = 397,493,657.47/18,227.18
  6. Step 6: Final answer
    x = 21,807.74

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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.