Home / 19,589.68-27,039.45-11,935.72

Finding the Fourth Proportional to 19,589.68, 27,039.45 and 11,935.72

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Solution

The fourth proportional to 19,589.68, 27,039.45 and 11,935.72 is: 16,474.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,589.68 : 27,039.45 = 11,935.72 : x
  2. Step 2: Convert to fraction form
    19,589.68/27,039.45 = 11,935.72/x
  3. Step 3: Cross multiply
    19,589.68x = 27,039.45 × 11,935.72
  4. Step 4: Simplify right side
    19,589.68x = 322,735,304.15
  5. Step 5: Solve for x
    x = 322,735,304.15/19,589.68
  6. Step 6: Final answer
    x = 16,474.76

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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.