Home / 18,908.18-26,092.92-11,838.50

Finding the Fourth Proportional to 18,908.18, 26,092.92 and 11,838.50

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Solution

The fourth proportional to 18,908.18, 26,092.92 and 11,838.50 is: 16,336.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,908.18 : 26,092.92 = 11,838.50 : x
  2. Step 2: Convert to fraction form
    18,908.18/26,092.92 = 11,838.50/x
  3. Step 3: Cross multiply
    18,908.18x = 26,092.92 × 11,838.50
  4. Step 4: Simplify right side
    18,908.18x = 308,901,033.42
  5. Step 5: Solve for x
    x = 308,901,033.42/18,908.18
  6. Step 6: Final answer
    x = 16,336.90

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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.