Home / 34,189.14-51,288.83-11,998.62

Finding the Fourth Proportional to 34,189.14, 51,288.83 and 11,998.62

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Solution

The fourth proportional to 34,189.14, 51,288.83 and 11,998.62 is: 17,999.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,189.14 : 51,288.83 = 11,998.62 : x
  2. Step 2: Convert to fraction form
    34,189.14/51,288.83 = 11,998.62/x
  3. Step 3: Cross multiply
    34,189.14x = 51,288.83 × 11,998.62
  4. Step 4: Simplify right side
    34,189.14x = 615,395,121.42
  5. Step 5: Solve for x
    x = 615,395,121.42/34,189.14
  6. Step 6: Final answer
    x = 17,999.73

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1.5x scale

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.