Home / 17,191.11-25,786.68-4,711.20

Finding the Fourth Proportional to 17,191.11, 25,786.68 and 4,711.20

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Solution

The fourth proportional to 17,191.11, 25,786.68 and 4,711.20 is: 7,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,191.11 : 25,786.68 = 4,711.20 : x
  2. Step 2: Convert to fraction form
    17,191.11/25,786.68 = 4,711.20/x
  3. Step 3: Cross multiply
    17,191.11x = 25,786.68 × 4,711.20
  4. Step 4: Simplify right side
    17,191.11x = 121,486,206.82
  5. Step 5: Solve for x
    x = 121,486,206.82/17,191.11
  6. Step 6: Final answer
    x = 7,066.80

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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.