Home / 18,015.77-27,003.12-11,264.46

Finding the Fourth Proportional to 18,015.77, 27,003.12 and 11,264.46

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Solution

The fourth proportional to 18,015.77, 27,003.12 and 11,264.46 is: 16,883.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.77 : 27,003.12 = 11,264.46 : x
  2. Step 2: Convert to fraction form
    18,015.77/27,003.12 = 11,264.46/x
  3. Step 3: Cross multiply
    18,015.77x = 27,003.12 × 11,264.46
  4. Step 4: Simplify right side
    18,015.77x = 304,175,565.12
  5. Step 5: Solve for x
    x = 304,175,565.12/18,015.77
  6. Step 6: Final answer
    x = 16,883.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.