Home / 15,163.99-22,665.86-13,173.82

Finding the Fourth Proportional to 15,163.99, 22,665.86 and 13,173.82

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Solution

The fourth proportional to 15,163.99, 22,665.86 and 13,173.82 is: 19,691.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,163.99 : 22,665.86 = 13,173.82 : x
  2. Step 2: Convert to fraction form
    15,163.99/22,665.86 = 13,173.82/x
  3. Step 3: Cross multiply
    15,163.99x = 22,665.86 × 13,173.82
  4. Step 4: Simplify right side
    15,163.99x = 298,595,959.79
  5. Step 5: Solve for x
    x = 298,595,959.79/15,163.99
  6. Step 6: Final answer
    x = 19,691.12

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.