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Finding the Fourth Proportional to 19,597.26, 27,044.20 and 11,213.76

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Solution

The fourth proportional to 19,597.26, 27,044.20 and 11,213.76 is: 15,474.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,597.26 : 27,044.20 = 11,213.76 : x
  2. Step 2: Convert to fraction form
    19,597.26/27,044.20 = 11,213.76/x
  3. Step 3: Cross multiply
    19,597.26x = 27,044.20 × 11,213.76
  4. Step 4: Simplify right side
    19,597.26x = 303,267,168.19
  5. Step 5: Solve for x
    x = 303,267,168.19/19,597.26
  6. Step 6: Final answer
    x = 15,474.98

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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.