Home / 20,536.88-28,327.85-13,463.76

Finding the Fourth Proportional to 20,536.88, 28,327.85 and 13,463.76

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Solution

The fourth proportional to 20,536.88, 28,327.85 and 13,463.76 is: 18,571.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,536.88 : 28,327.85 = 13,463.76 : x
  2. Step 2: Convert to fraction form
    20,536.88/28,327.85 = 13,463.76/x
  3. Step 3: Cross multiply
    20,536.88x = 28,327.85 × 13,463.76
  4. Step 4: Simplify right side
    20,536.88x = 381,399,356.89
  5. Step 5: Solve for x
    x = 381,399,356.89/20,536.88
  6. Step 6: Final answer
    x = 18,571.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.