Home / 18,516.41-27,781.56-11,024.30

Finding the Fourth Proportional to 18,516.41, 27,781.56 and 11,024.30

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Solution

The fourth proportional to 18,516.41, 27,781.56 and 11,024.30 is: 16,540.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.41 : 27,781.56 = 11,024.30 : x
  2. Step 2: Convert to fraction form
    18,516.41/27,781.56 = 11,024.30/x
  3. Step 3: Cross multiply
    18,516.41x = 27,781.56 × 11,024.30
  4. Step 4: Simplify right side
    18,516.41x = 306,272,113.00
  5. Step 5: Solve for x
    x = 306,272,113.00/18,516.41
  6. Step 6: Final answer
    x = 16,540.58

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1.5x scale

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.