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Finding the Fourth Proportional to 19,591.86, 27,035.42 and 11,094.86

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Solution

The fourth proportional to 19,591.86, 27,035.42 and 11,094.86 is: 15,310.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,591.86 : 27,035.42 = 11,094.86 : x
  2. Step 2: Convert to fraction form
    19,591.86/27,035.42 = 11,094.86/x
  3. Step 3: Cross multiply
    19,591.86x = 27,035.42 × 11,094.86
  4. Step 4: Simplify right side
    19,591.86x = 299,954,199.94
  5. Step 5: Solve for x
    x = 299,954,199.94/19,591.86
  6. Step 6: Final answer
    x = 15,310.14

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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.