Home / 18,679.94-25,778.35-10,296.44

Finding the Fourth Proportional to 18,679.94, 25,778.35 and 10,296.44

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Solution

The fourth proportional to 18,679.94, 25,778.35 and 10,296.44 is: 14,209.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,679.94 : 25,778.35 = 10,296.44 : x
  2. Step 2: Convert to fraction form
    18,679.94/25,778.35 = 10,296.44/x
  3. Step 3: Cross multiply
    18,679.94x = 25,778.35 × 10,296.44
  4. Step 4: Simplify right side
    18,679.94x = 265,425,234.07
  5. Step 5: Solve for x
    x = 265,425,234.07/18,679.94
  6. Step 6: Final answer
    x = 14,209.11

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1.5x scale

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.