Home / 17,864.20-26,781.18-6,764.77

Finding the Fourth Proportional to 17,864.20, 26,781.18 and 6,764.77

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Solution

The fourth proportional to 17,864.20, 26,781.18 and 6,764.77 is: 10,141.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,864.20 : 26,781.18 = 6,764.77 : x
  2. Step 2: Convert to fraction form
    17,864.20/26,781.18 = 6,764.77/x
  3. Step 3: Cross multiply
    17,864.20x = 26,781.18 × 6,764.77
  4. Step 4: Simplify right side
    17,864.20x = 181,168,523.03
  5. Step 5: Solve for x
    x = 181,168,523.03/17,864.20
  6. Step 6: Final answer
    x = 10,141.43

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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.