Home / 14,794.27-20,416.21-8,079.78

Finding the Fourth Proportional to 14,794.27, 20,416.21 and 8,079.78

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Solution

The fourth proportional to 14,794.27, 20,416.21 and 8,079.78 is: 11,150.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,794.27 : 20,416.21 = 8,079.78 : x
  2. Step 2: Convert to fraction form
    14,794.27/20,416.21 = 8,079.78/x
  3. Step 3: Cross multiply
    14,794.27x = 20,416.21 × 8,079.78
  4. Step 4: Simplify right side
    14,794.27x = 164,958,449.48
  5. Step 5: Solve for x
    x = 164,958,449.48/14,794.27
  6. Step 6: Final answer
    x = 11,150.16

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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.