Home / 18,350.65-27,516.66-7,816.60

Finding the Fourth Proportional to 18,350.65, 27,516.66 and 7,816.60

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Solution

The fourth proportional to 18,350.65, 27,516.66 and 7,816.60 is: 11,720.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,350.65 : 27,516.66 = 7,816.60 : x
  2. Step 2: Convert to fraction form
    18,350.65/27,516.66 = 7,816.60/x
  3. Step 3: Cross multiply
    18,350.65x = 27,516.66 × 7,816.60
  4. Step 4: Simplify right side
    18,350.65x = 215,086,724.56
  5. Step 5: Solve for x
    x = 215,086,724.56/18,350.65
  6. Step 6: Final answer
    x = 11,720.93

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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.