Home / 21,716.48-32,579.58-8,568.56

Finding the Fourth Proportional to 21,716.48, 32,579.58 and 8,568.56

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Solution

The fourth proportional to 21,716.48, 32,579.58 and 8,568.56 is: 12,854.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,716.48 : 32,579.58 = 8,568.56 : x
  2. Step 2: Convert to fraction form
    21,716.48/32,579.58 = 8,568.56/x
  3. Step 3: Cross multiply
    21,716.48x = 32,579.58 × 8,568.56
  4. Step 4: Simplify right side
    21,716.48x = 279,160,086.00
  5. Step 5: Solve for x
    x = 279,160,086.00/21,716.48
  6. Step 6: Final answer
    x = 12,854.76

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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.