Home / 27,516.68-41,269.76-7,790.48

Finding the Fourth Proportional to 27,516.68, 41,269.76 and 7,790.48

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Solution

The fourth proportional to 27,516.68, 41,269.76 and 7,790.48 is: 11,684.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,516.68 : 41,269.76 = 7,790.48 : x
  2. Step 2: Convert to fraction form
    27,516.68/41,269.76 = 7,790.48/x
  3. Step 3: Cross multiply
    27,516.68x = 41,269.76 × 7,790.48
  4. Step 4: Simplify right side
    27,516.68x = 321,511,239.88
  5. Step 5: Solve for x
    x = 321,511,239.88/27,516.68
  6. Step 6: Final answer
    x = 11,684.23

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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.