Home / 20,179.05-27,846.93-11,104.93

Finding the Fourth Proportional to 20,179.05, 27,846.93 and 11,104.93

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Solution

The fourth proportional to 20,179.05, 27,846.93 and 11,104.93 is: 15,324.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,179.05 : 27,846.93 = 11,104.93 : x
  2. Step 2: Convert to fraction form
    20,179.05/27,846.93 = 11,104.93/x
  3. Step 3: Cross multiply
    20,179.05x = 27,846.93 × 11,104.93
  4. Step 4: Simplify right side
    20,179.05x = 309,238,284.82
  5. Step 5: Solve for x
    x = 309,238,284.82/20,179.05
  6. Step 6: Final answer
    x = 15,324.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.