Home / 18,426.57-27,631.21-6,731.61

Finding the Fourth Proportional to 18,426.57, 27,631.21 and 6,731.61

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Solution

The fourth proportional to 18,426.57, 27,631.21 and 6,731.61 is: 10,094.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426.57 : 27,631.21 = 6,731.61 : x
  2. Step 2: Convert to fraction form
    18,426.57/27,631.21 = 6,731.61/x
  3. Step 3: Cross multiply
    18,426.57x = 27,631.21 × 6,731.61
  4. Step 4: Simplify right side
    18,426.57x = 186,002,529.55
  5. Step 5: Solve for x
    x = 186,002,529.55/18,426.57
  6. Step 6: Final answer
    x = 10,094.26

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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.