Home / 16,279.20-24,418.80-11,589.30

Finding the Fourth Proportional to 16,279.20, 24,418.80 and 11,589.30

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Solution

The fourth proportional to 16,279.20, 24,418.80 and 11,589.30 is: 17,383.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,279.20 : 24,418.80 = 11,589.30 : x
  2. Step 2: Convert to fraction form
    16,279.20/24,418.80 = 11,589.30/x
  3. Step 3: Cross multiply
    16,279.20x = 24,418.80 × 11,589.30
  4. Step 4: Simplify right side
    16,279.20x = 282,996,798.84
  5. Step 5: Solve for x
    x = 282,996,798.84/16,279.20
  6. Step 6: Final answer
    x = 17,383.95

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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.