Home / 17,983.32-26,965.20-8,111.04

Finding the Fourth Proportional to 17,983.32, 26,965.20 and 8,111.04

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Solution

The fourth proportional to 17,983.32, 26,965.20 and 8,111.04 is: 12,162.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,983.32 : 26,965.20 = 8,111.04 : x
  2. Step 2: Convert to fraction form
    17,983.32/26,965.20 = 8,111.04/x
  3. Step 3: Cross multiply
    17,983.32x = 26,965.20 × 8,111.04
  4. Step 4: Simplify right side
    17,983.32x = 218,715,815.81
  5. Step 5: Solve for x
    x = 218,715,815.81/17,983.32
  6. Step 6: Final answer
    x = 12,162.15

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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.