Home / 18,473.56-27,721.38-6,787.96

Finding the Fourth Proportional to 18,473.56, 27,721.38 and 6,787.96

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Solution

The fourth proportional to 18,473.56, 27,721.38 and 6,787.96 is: 10,186.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,473.56 : 27,721.38 = 6,787.96 : x
  2. Step 2: Convert to fraction form
    18,473.56/27,721.38 = 6,787.96/x
  3. Step 3: Cross multiply
    18,473.56x = 27,721.38 × 6,787.96
  4. Step 4: Simplify right side
    18,473.56x = 188,171,618.58
  5. Step 5: Solve for x
    x = 188,171,618.58/18,473.56
  6. Step 6: Final answer
    x = 10,186.00

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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.