Home / 18,111.62-27,171.86-14,633.14

Finding the Fourth Proportional to 18,111.62, 27,171.86 and 14,633.14

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Solution

The fourth proportional to 18,111.62, 27,171.86 and 14,633.14 is: 21,953.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111.62 : 27,171.86 = 14,633.14 : x
  2. Step 2: Convert to fraction form
    18,111.62/27,171.86 = 14,633.14/x
  3. Step 3: Cross multiply
    18,111.62x = 27,171.86 × 14,633.14
  4. Step 4: Simplify right side
    18,111.62x = 397,609,490.35
  5. Step 5: Solve for x
    x = 397,609,490.35/18,111.62
  6. Step 6: Final answer
    x = 21,953.29

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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.