Home / 19,654.33-27,118.75-11,695

Finding the Fourth Proportional to 19,654.33, 27,118.75 and 11,695

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Solution

The fourth proportional to 19,654.33, 27,118.75 and 11,695 is: 16,136.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,654.33 : 27,118.75 = 11,695 : x
  2. Step 2: Convert to fraction form
    19,654.33/27,118.75 = 11,695/x
  3. Step 3: Cross multiply
    19,654.33x = 27,118.75 × 11,695
  4. Step 4: Simplify right side
    19,654.33x = 317,153,781.25
  5. Step 5: Solve for x
    x = 317,153,781.25/19,654.33
  6. Step 6: Final answer
    x = 16,136.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.