Home / 19,646.69-29,452.26-7,163.79

Finding the Fourth Proportional to 19,646.69, 29,452.26 and 7,163.79

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Solution

The fourth proportional to 19,646.69, 29,452.26 and 7,163.79 is: 10,739.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,646.69 : 29,452.26 = 7,163.79 : x
  2. Step 2: Convert to fraction form
    19,646.69/29,452.26 = 7,163.79/x
  3. Step 3: Cross multiply
    19,646.69x = 29,452.26 × 7,163.79
  4. Step 4: Simplify right side
    19,646.69x = 210,989,942.98
  5. Step 5: Solve for x
    x = 210,989,942.98/19,646.69
  6. Step 6: Final answer
    x = 10,739.21

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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.