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Finding the Fourth Proportional to 19,502.68, 26,906.68 and 11,114.32

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Solution

The fourth proportional to 19,502.68, 26,906.68 and 11,114.32 is: 15,333.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,502.68 : 26,906.68 = 11,114.32 : x
  2. Step 2: Convert to fraction form
    19,502.68/26,906.68 = 11,114.32/x
  3. Step 3: Cross multiply
    19,502.68x = 26,906.68 × 11,114.32
  4. Step 4: Simplify right side
    19,502.68x = 299,049,451.66
  5. Step 5: Solve for x
    x = 299,049,451.66/19,502.68
  6. Step 6: Final answer
    x = 15,333.76

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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.