Home / 19,943.19-27,504.82-11,983.87

Finding the Fourth Proportional to 19,943.19, 27,504.82 and 11,983.87

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Solution

The fourth proportional to 19,943.19, 27,504.82 and 11,983.87 is: 16,527.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,943.19 : 27,504.82 = 11,983.87 : x
  2. Step 2: Convert to fraction form
    19,943.19/27,504.82 = 11,983.87/x
  3. Step 3: Cross multiply
    19,943.19x = 27,504.82 × 11,983.87
  4. Step 4: Simplify right side
    19,943.19x = 329,614,187.25
  5. Step 5: Solve for x
    x = 329,614,187.25/19,943.19
  6. Step 6: Final answer
    x = 16,527.66

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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.