Home / 26,942.78-37,198.06-19,856.86

Finding the Fourth Proportional to 26,942.78, 37,198.06 and 19,856.86

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Solution

The fourth proportional to 26,942.78, 37,198.06 and 19,856.86 is: 27,415.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,942.78 : 37,198.06 = 19,856.86 : x
  2. Step 2: Convert to fraction form
    26,942.78/37,198.06 = 19,856.86/x
  3. Step 3: Cross multiply
    26,942.78x = 37,198.06 × 19,856.86
  4. Step 4: Simplify right side
    26,942.78x = 738,636,669.69
  5. Step 5: Solve for x
    x = 738,636,669.69/26,942.78
  6. Step 6: Final answer
    x = 27,415.01

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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.