Home / 20,744.64-28,635.84-14,027.04

Finding the Fourth Proportional to 20,744.64, 28,635.84 and 14,027.04

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Solution

The fourth proportional to 20,744.64, 28,635.84 and 14,027.04 is: 19,362.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,744.64 : 28,635.84 = 14,027.04 : x
  2. Step 2: Convert to fraction form
    20,744.64/28,635.84 = 14,027.04/x
  3. Step 3: Cross multiply
    20,744.64x = 28,635.84 × 14,027.04
  4. Step 4: Simplify right side
    20,744.64x = 401,676,073.11
  5. Step 5: Solve for x
    x = 401,676,073.11/20,744.64
  6. Step 6: Final answer
    x = 19,362.88

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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.