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Finding the Fourth Proportional to 19,612.60, 27,064.49 and 11,114.22

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Solution

The fourth proportional to 19,612.60, 27,064.49 and 11,114.22 is: 15,337.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,612.60 : 27,064.49 = 11,114.22 : x
  2. Step 2: Convert to fraction form
    19,612.60/27,064.49 = 11,114.22/x
  3. Step 3: Cross multiply
    19,612.60x = 27,064.49 × 11,114.22
  4. Step 4: Simplify right side
    19,612.60x = 300,800,697.11
  5. Step 5: Solve for x
    x = 300,800,697.11/19,612.60
  6. Step 6: Final answer
    x = 15,337.12

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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.