Home / 19,471.38-29,215.44-6,327.78

Finding the Fourth Proportional to 19,471.38, 29,215.44 and 6,327.78

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Solution

The fourth proportional to 19,471.38, 29,215.44 and 6,327.78 is: 9,494.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,471.38 : 29,215.44 = 6,327.78 : x
  2. Step 2: Convert to fraction form
    19,471.38/29,215.44 = 6,327.78/x
  3. Step 3: Cross multiply
    19,471.38x = 29,215.44 × 6,327.78
  4. Step 4: Simplify right side
    19,471.38x = 184,868,876.92
  5. Step 5: Solve for x
    x = 184,868,876.92/19,471.38
  6. Step 6: Final answer
    x = 9,494.39

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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.