Home / 19,163.64-28,749.78-5,837.82

Finding the Fourth Proportional to 19,163.64, 28,749.78 and 5,837.82

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Solution

The fourth proportional to 19,163.64, 28,749.78 and 5,837.82 is: 8,758.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.64 : 28,749.78 = 5,837.82 : x
  2. Step 2: Convert to fraction form
    19,163.64/28,749.78 = 5,837.82/x
  3. Step 3: Cross multiply
    19,163.64x = 28,749.78 × 5,837.82
  4. Step 4: Simplify right side
    19,163.64x = 167,836,040.68
  5. Step 5: Solve for x
    x = 167,836,040.68/19,163.64
  6. Step 6: Final answer
    x = 8,758.05

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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.