Home / 20,114.88-27,754.29-11,616.98

Finding the Fourth Proportional to 20,114.88, 27,754.29 and 11,616.98

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Solution

The fourth proportional to 20,114.88, 27,754.29 and 11,616.98 is: 16,028.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,114.88 : 27,754.29 = 11,616.98 : x
  2. Step 2: Convert to fraction form
    20,114.88/27,754.29 = 11,616.98/x
  3. Step 3: Cross multiply
    20,114.88x = 27,754.29 × 11,616.98
  4. Step 4: Simplify right side
    20,114.88x = 322,420,893.07
  5. Step 5: Solve for x
    x = 322,420,893.07/20,114.88
  6. Step 6: Final answer
    x = 16,028.97

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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.