Home / 18,426.82-27,631.59-6,731.86

Finding the Fourth Proportional to 18,426.82, 27,631.59 and 6,731.86

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Solution

The fourth proportional to 18,426.82, 27,631.59 and 6,731.86 is: 10,094.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,426.82 : 27,631.59 = 6,731.86 : x
  2. Step 2: Convert to fraction form
    18,426.82/27,631.59 = 6,731.86/x
  3. Step 3: Cross multiply
    18,426.82x = 27,631.59 × 6,731.86
  4. Step 4: Simplify right side
    18,426.82x = 186,011,995.46
  5. Step 5: Solve for x
    x = 186,011,995.46/18,426.82
  6. Step 6: Final answer
    x = 10,094.63

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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.