Home / 16,372.78-24,561.24-5,279.22

Finding the Fourth Proportional to 16,372.78, 24,561.24 and 5,279.22

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Solution

The fourth proportional to 16,372.78, 24,561.24 and 5,279.22 is: 7,919.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,372.78 : 24,561.24 = 5,279.22 : x
  2. Step 2: Convert to fraction form
    16,372.78/24,561.24 = 5,279.22/x
  3. Step 3: Cross multiply
    16,372.78x = 24,561.24 × 5,279.22
  4. Step 4: Simplify right side
    16,372.78x = 129,664,189.43
  5. Step 5: Solve for x
    x = 129,664,189.43/16,372.78
  6. Step 6: Final answer
    x = 7,919.50

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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.