Home / 19,951.03-27,537.73-11,781.80

Finding the Fourth Proportional to 19,951.03, 27,537.73 and 11,781.80

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Solution

The fourth proportional to 19,951.03, 27,537.73 and 11,781.80 is: 16,262.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,951.03 : 27,537.73 = 11,781.80 : x
  2. Step 2: Convert to fraction form
    19,951.03/27,537.73 = 11,781.80/x
  3. Step 3: Cross multiply
    19,951.03x = 27,537.73 × 11,781.80
  4. Step 4: Simplify right side
    19,951.03x = 324,443,963.44
  5. Step 5: Solve for x
    x = 324,443,963.44/19,951.03
  6. Step 6: Final answer
    x = 16,262.01

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1.5x scale

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.