Home / 20,025.50-27,634.64-11,072.70

Finding the Fourth Proportional to 20,025.50, 27,634.64 and 11,072.70

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Solution

The fourth proportional to 20,025.50, 27,634.64 and 11,072.70 is: 15,280.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.50 : 27,634.64 = 11,072.70 : x
  2. Step 2: Convert to fraction form
    20,025.50/27,634.64 = 11,072.70/x
  3. Step 3: Cross multiply
    20,025.50x = 27,634.64 × 11,072.70
  4. Step 4: Simplify right side
    20,025.50x = 305,990,022.96
  5. Step 5: Solve for x
    x = 305,990,022.96/20,025.50
  6. Step 6: Final answer
    x = 15,280.02

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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.