Home / 22,147.16-33,183.76-15,561.56

Finding the Fourth Proportional to 22,147.16, 33,183.76 and 15,561.56

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Solution

The fourth proportional to 22,147.16, 33,183.76 and 15,561.56 is: 23,316.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,147.16 : 33,183.76 = 15,561.56 : x
  2. Step 2: Convert to fraction form
    22,147.16/33,183.76 = 15,561.56/x
  3. Step 3: Cross multiply
    22,147.16x = 33,183.76 × 15,561.56
  4. Step 4: Simplify right side
    22,147.16x = 516,390,879.35
  5. Step 5: Solve for x
    x = 516,390,879.35/22,147.16
  6. Step 6: Final answer
    x = 23,316.35

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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.