Home / 19,739.68-27,232.96-11,351.68

Finding the Fourth Proportional to 19,739.68, 27,232.96 and 11,351.68

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Solution

The fourth proportional to 19,739.68, 27,232.96 and 11,351.68 is: 15,660.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,739.68 : 27,232.96 = 11,351.68 : x
  2. Step 2: Convert to fraction form
    19,739.68/27,232.96 = 11,351.68/x
  3. Step 3: Cross multiply
    19,739.68x = 27,232.96 × 11,351.68
  4. Step 4: Simplify right side
    19,739.68x = 309,139,847.37
  5. Step 5: Solve for x
    x = 309,139,847.37/19,739.68
  6. Step 6: Final answer
    x = 15,660.83

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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.