Home / 19,611.49-27,067.80-11,652.19

Finding the Fourth Proportional to 19,611.49, 27,067.80 and 11,652.19

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Solution

The fourth proportional to 19,611.49, 27,067.80 and 11,652.19 is: 16,082.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.49 : 27,067.80 = 11,652.19 : x
  2. Step 2: Convert to fraction form
    19,611.49/27,067.80 = 11,652.19/x
  3. Step 3: Cross multiply
    19,611.49x = 27,067.80 × 11,652.19
  4. Step 4: Simplify right side
    19,611.49x = 315,398,954.88
  5. Step 5: Solve for x
    x = 315,398,954.88/19,611.49
  6. Step 6: Final answer
    x = 16,082.36

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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.