Home / 18,516.33-27,776.93-9,751.86

Finding the Fourth Proportional to 18,516.33, 27,776.93 and 9,751.86

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Solution

The fourth proportional to 18,516.33, 27,776.93 and 9,751.86 is: 14,629.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516.33 : 27,776.93 = 9,751.86 : x
  2. Step 2: Convert to fraction form
    18,516.33/27,776.93 = 9,751.86/x
  3. Step 3: Cross multiply
    18,516.33x = 27,776.93 × 9,751.86
  4. Step 4: Simplify right side
    18,516.33x = 270,876,683.83
  5. Step 5: Solve for x
    x = 270,876,683.83/18,516.33
  6. Step 6: Final answer
    x = 14,629.07

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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.