Home / 16,147.78-24,221.68-5,054.54

Finding the Fourth Proportional to 16,147.78, 24,221.68 and 5,054.54

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Solution

The fourth proportional to 16,147.78, 24,221.68 and 5,054.54 is: 7,581.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,147.78 : 24,221.68 = 5,054.54 : x
  2. Step 2: Convert to fraction form
    16,147.78/24,221.68 = 5,054.54/x
  3. Step 3: Cross multiply
    16,147.78x = 24,221.68 × 5,054.54
  4. Step 4: Simplify right side
    16,147.78x = 122,429,316.68
  5. Step 5: Solve for x
    x = 122,429,316.68/16,147.78
  6. Step 6: Final answer
    x = 7,581.81

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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.