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Finding the Fourth Proportional to 17,958.72, 26,938.11 and 14,874.24

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Solution

The fourth proportional to 17,958.72, 26,938.11 and 14,874.24 is: 22,311.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,958.72 : 26,938.11 = 14,874.24 : x
  2. Step 2: Convert to fraction form
    17,958.72/26,938.11 = 14,874.24/x
  3. Step 3: Cross multiply
    17,958.72x = 26,938.11 × 14,874.24
  4. Step 4: Simplify right side
    17,958.72x = 400,683,913.29
  5. Step 5: Solve for x
    x = 400,683,913.29/17,958.72
  6. Step 6: Final answer
    x = 22,311.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.