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Finding the Fourth Proportional to 19,181.67, 26,463.67 and 11,622.54

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Solution

The fourth proportional to 19,181.67, 26,463.67 and 11,622.54 is: 16,034.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,181.67 : 26,463.67 = 11,622.54 : x
  2. Step 2: Convert to fraction form
    19,181.67/26,463.67 = 11,622.54/x
  3. Step 3: Cross multiply
    19,181.67x = 26,463.67 × 11,622.54
  4. Step 4: Simplify right side
    19,181.67x = 307,575,063.12
  5. Step 5: Solve for x
    x = 307,575,063.12/19,181.67
  6. Step 6: Final answer
    x = 16,034.84

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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.