Home / 19,163.45-28,749.51-5,837.65

Finding the Fourth Proportional to 19,163.45, 28,749.51 and 5,837.65

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Solution

The fourth proportional to 19,163.45, 28,749.51 and 5,837.65 is: 8,757.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,163.45 : 28,749.51 = 5,837.65 : x
  2. Step 2: Convert to fraction form
    19,163.45/28,749.51 = 5,837.65/x
  3. Step 3: Cross multiply
    19,163.45x = 28,749.51 × 5,837.65
  4. Step 4: Simplify right side
    19,163.45x = 167,829,505.18
  5. Step 5: Solve for x
    x = 167,829,505.18/19,163.45
  6. Step 6: Final answer
    x = 8,757.79

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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.