Home / 23,781.96-32,819.09-13,172.27

Finding the Fourth Proportional to 23,781.96, 32,819.09 and 13,172.27

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Solution

The fourth proportional to 23,781.96, 32,819.09 and 13,172.27 is: 18,177.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,781.96 : 32,819.09 = 13,172.27 : x
  2. Step 2: Convert to fraction form
    23,781.96/32,819.09 = 13,172.27/x
  3. Step 3: Cross multiply
    23,781.96x = 32,819.09 × 13,172.27
  4. Step 4: Simplify right side
    23,781.96x = 432,301,684.68
  5. Step 5: Solve for x
    x = 432,301,684.68/23,781.96
  6. Step 6: Final answer
    x = 18,177.71

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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.