Home / 18,370.18-27,541.40-9,481.65

Finding the Fourth Proportional to 18,370.18, 27,541.40 and 9,481.65

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Solution

The fourth proportional to 18,370.18, 27,541.40 and 9,481.65 is: 14,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,370.18 : 27,541.40 = 9,481.65 : x
  2. Step 2: Convert to fraction form
    18,370.18/27,541.40 = 9,481.65/x
  3. Step 3: Cross multiply
    18,370.18x = 27,541.40 × 9,481.65
  4. Step 4: Simplify right side
    18,370.18x = 261,137,971.61
  5. Step 5: Solve for x
    x = 261,137,971.61/18,370.18
  6. Step 6: Final answer
    x = 14,215.32

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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.