Home / 18,338.09-27,502.73-8,467.89

Finding the Fourth Proportional to 18,338.09, 27,502.73 and 8,467.89

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Solution

The fourth proportional to 18,338.09, 27,502.73 and 8,467.89 is: 12,699.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,338.09 : 27,502.73 = 8,467.89 : x
  2. Step 2: Convert to fraction form
    18,338.09/27,502.73 = 8,467.89/x
  3. Step 3: Cross multiply
    18,338.09x = 27,502.73 × 8,467.89
  4. Step 4: Simplify right side
    18,338.09x = 232,890,092.34
  5. Step 5: Solve for x
    x = 232,890,092.34/18,338.09
  6. Step 6: Final answer
    x = 12,699.80

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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.