Home / 26,816.50-37,020.55-18,894.09

Finding the Fourth Proportional to 26,816.50, 37,020.55 and 18,894.09

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Solution

The fourth proportional to 26,816.50, 37,020.55 and 18,894.09 is: 26,083.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,816.50 : 37,020.55 = 18,894.09 : x
  2. Step 2: Convert to fraction form
    26,816.50/37,020.55 = 18,894.09/x
  3. Step 3: Cross multiply
    26,816.50x = 37,020.55 × 18,894.09
  4. Step 4: Simplify right side
    26,816.50x = 699,469,665.76
  5. Step 5: Solve for x
    x = 699,469,665.76/26,816.50
  6. Step 6: Final answer
    x = 26,083.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.