Home / 18,635.12-25,716.12-10,251.44

Finding the Fourth Proportional to 18,635.12, 25,716.12 and 10,251.44

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Solution

The fourth proportional to 18,635.12, 25,716.12 and 10,251.44 is: 14,146.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,635.12 : 25,716.12 = 10,251.44 : x
  2. Step 2: Convert to fraction form
    18,635.12/25,716.12 = 10,251.44/x
  3. Step 3: Cross multiply
    18,635.12x = 25,716.12 × 10,251.44
  4. Step 4: Simplify right side
    18,635.12x = 263,627,261.21
  5. Step 5: Solve for x
    x = 263,627,261.21/18,635.12
  6. Step 6: Final answer
    x = 14,146.80

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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.