Home / 26,845.38-37,065.16-16,778.34

Finding the Fourth Proportional to 26,845.38, 37,065.16 and 16,778.34

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Solution

The fourth proportional to 26,845.38, 37,065.16 and 16,778.34 is: 23,165.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,845.38 : 37,065.16 = 16,778.34 : x
  2. Step 2: Convert to fraction form
    26,845.38/37,065.16 = 16,778.34/x
  3. Step 3: Cross multiply
    26,845.38x = 37,065.16 × 16,778.34
  4. Step 4: Simplify right side
    26,845.38x = 621,891,856.63
  5. Step 5: Solve for x
    x = 621,891,856.63/26,845.38
  6. Step 6: Final answer
    x = 23,165.69

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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.