Home / 17,380.22-23,963.19-11,781.50

Finding the Fourth Proportional to 17,380.22, 23,963.19 and 11,781.50

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Solution

The fourth proportional to 17,380.22, 23,963.19 and 11,781.50 is: 16,243.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,380.22 : 23,963.19 = 11,781.50 : x
  2. Step 2: Convert to fraction form
    17,380.22/23,963.19 = 11,781.50/x
  3. Step 3: Cross multiply
    17,380.22x = 23,963.19 × 11,781.50
  4. Step 4: Simplify right side
    17,380.22x = 282,322,322.99
  5. Step 5: Solve for x
    x = 282,322,322.99/17,380.22
  6. Step 6: Final answer
    x = 16,243.89

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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.