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Finding the Fourth Proportional to 19,604.68, 27,060.18 and 11,950.72

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Solution

The fourth proportional to 19,604.68, 27,060.18 and 11,950.72 is: 16,495.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,604.68 : 27,060.18 = 11,950.72 : x
  2. Step 2: Convert to fraction form
    19,604.68/27,060.18 = 11,950.72/x
  3. Step 3: Cross multiply
    19,604.68x = 27,060.18 × 11,950.72
  4. Step 4: Simplify right side
    19,604.68x = 323,388,634.33
  5. Step 5: Solve for x
    x = 323,388,634.33/19,604.68
  6. Step 6: Final answer
    x = 16,495.48

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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.