Home / 18,795.76-25,950.10-11,732.56

Finding the Fourth Proportional to 18,795.76, 25,950.10 and 11,732.56

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Solution

The fourth proportional to 18,795.76, 25,950.10 and 11,732.56 is: 16,198.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.76 : 25,950.10 = 11,732.56 : x
  2. Step 2: Convert to fraction form
    18,795.76/25,950.10 = 11,732.56/x
  3. Step 3: Cross multiply
    18,795.76x = 25,950.10 × 11,732.56
  4. Step 4: Simplify right side
    18,795.76x = 304,461,105.26
  5. Step 5: Solve for x
    x = 304,461,105.26/18,795.76
  6. Step 6: Final answer
    x = 16,198.39

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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.