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Finding the Fourth Proportional to 19,535.70, 26,958.71 and 11,469.22

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Solution

The fourth proportional to 19,535.70, 26,958.71 and 11,469.22 is: 15,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,535.70 : 26,958.71 = 11,469.22 : x
  2. Step 2: Convert to fraction form
    19,535.70/26,958.71 = 11,469.22/x
  3. Step 3: Cross multiply
    19,535.70x = 26,958.71 × 11,469.22
  4. Step 4: Simplify right side
    19,535.70x = 309,195,375.91
  5. Step 5: Solve for x
    x = 309,195,375.91/19,535.70
  6. Step 6: Final answer
    x = 15,827.20

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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.