Home / 19,589.45-27,022.82-12,406.37

Finding the Fourth Proportional to 19,589.45, 27,022.82 and 12,406.37

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Solution

The fourth proportional to 19,589.45, 27,022.82 and 12,406.37 is: 17,114.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,589.45 : 27,022.82 = 12,406.37 : x
  2. Step 2: Convert to fraction form
    19,589.45/27,022.82 = 12,406.37/x
  3. Step 3: Cross multiply
    19,589.45x = 27,022.82 × 12,406.37
  4. Step 4: Simplify right side
    19,589.45x = 335,254,906.22
  5. Step 5: Solve for x
    x = 335,254,906.22/19,589.45
  6. Step 6: Final answer
    x = 17,114.06

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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.