Home / 17,857.45-26,786.58-4,711.15

Finding the Fourth Proportional to 17,857.45, 26,786.58 and 4,711.15

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Solution

The fourth proportional to 17,857.45, 26,786.58 and 4,711.15 is: 7,066.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,857.45 : 26,786.58 = 4,711.15 : x
  2. Step 2: Convert to fraction form
    17,857.45/26,786.58 = 4,711.15/x
  3. Step 3: Cross multiply
    17,857.45x = 26,786.58 × 4,711.15
  4. Step 4: Simplify right side
    17,857.45x = 126,195,596.37
  5. Step 5: Solve for x
    x = 126,195,596.37/17,857.45
  6. Step 6: Final answer
    x = 7,066.83

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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.