Home / 13,649.97-20,471.27-5,856.96

Finding the Fourth Proportional to 13,649.97, 20,471.27 and 5,856.96

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Solution

The fourth proportional to 13,649.97, 20,471.27 and 5,856.96 is: 8,783.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,649.97 : 20,471.27 = 5,856.96 : x
  2. Step 2: Convert to fraction form
    13,649.97/20,471.27 = 5,856.96/x
  3. Step 3: Cross multiply
    13,649.97x = 20,471.27 × 5,856.96
  4. Step 4: Simplify right side
    13,649.97x = 119,899,380.25
  5. Step 5: Solve for x
    x = 119,899,380.25/13,649.97
  6. Step 6: Final answer
    x = 8,783.86

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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.