Home / 17,781.83-26,674.13-5,300.90

Finding the Fourth Proportional to 17,781.83, 26,674.13 and 5,300.90

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Solution

The fourth proportional to 17,781.83, 26,674.13 and 5,300.90 is: 7,951.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,781.83 : 26,674.13 = 5,300.90 : x
  2. Step 2: Convert to fraction form
    17,781.83/26,674.13 = 5,300.90/x
  3. Step 3: Cross multiply
    17,781.83x = 26,674.13 × 5,300.90
  4. Step 4: Simplify right side
    17,781.83x = 141,396,895.72
  5. Step 5: Solve for x
    x = 141,396,895.72/17,781.83
  6. Step 6: Final answer
    x = 7,951.76

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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.