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Finding the Fourth Proportional to 17,876.25, 26,814.38 and 12,248.37

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Solution

The fourth proportional to 17,876.25, 26,814.38 and 12,248.37 is: 18,372.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,876.25 : 26,814.38 = 12,248.37 : x
  2. Step 2: Convert to fraction form
    17,876.25/26,814.38 = 12,248.37/x
  3. Step 3: Cross multiply
    17,876.25x = 26,814.38 × 12,248.37
  4. Step 4: Simplify right side
    17,876.25x = 328,432,386.32
  5. Step 5: Solve for x
    x = 328,432,386.32/17,876.25
  6. Step 6: Final answer
    x = 18,372.56

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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.