Home / 14,519.14-20,076.60-11,529.70

Finding the Fourth Proportional to 14,519.14, 20,076.60 and 11,529.70

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Solution

The fourth proportional to 14,519.14, 20,076.60 and 11,529.70 is: 15,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,519.14 : 20,076.60 = 11,529.70 : x
  2. Step 2: Convert to fraction form
    14,519.14/20,076.60 = 11,529.70/x
  3. Step 3: Cross multiply
    14,519.14x = 20,076.60 × 11,529.70
  4. Step 4: Simplify right side
    14,519.14x = 231,477,175.02
  5. Step 5: Solve for x
    x = 231,477,175.02/14,519.14
  6. Step 6: Final answer
    x = 15,942.90

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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.