Home / 14,867.14-20,517.24-8,494.78

Finding the Fourth Proportional to 14,867.14, 20,517.24 and 8,494.78

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Solution

The fourth proportional to 14,867.14, 20,517.24 and 8,494.78 is: 11,723.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,867.14 : 20,517.24 = 8,494.78 : x
  2. Step 2: Convert to fraction form
    14,867.14/20,517.24 = 8,494.78/x
  3. Step 3: Cross multiply
    14,867.14x = 20,517.24 × 8,494.78
  4. Step 4: Simplify right side
    14,867.14x = 174,289,440.01
  5. Step 5: Solve for x
    x = 174,289,440.01/14,867.14
  6. Step 6: Final answer
    x = 11,723.13

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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.