Home / 13,471.96-20,202.30-7,936.44

Finding the Fourth Proportional to 13,471.96, 20,202.30 and 7,936.44

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Solution

The fourth proportional to 13,471.96, 20,202.30 and 7,936.44 is: 11,901.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,471.96 : 20,202.30 = 7,936.44 : x
  2. Step 2: Convert to fraction form
    13,471.96/20,202.30 = 7,936.44/x
  3. Step 3: Cross multiply
    13,471.96x = 20,202.30 × 7,936.44
  4. Step 4: Simplify right side
    13,471.96x = 160,334,341.81
  5. Step 5: Solve for x
    x = 160,334,341.81/13,471.96
  6. Step 6: Final answer
    x = 11,901.34

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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.