Home / 20,025.32-27,634.53-11,072.59

Finding the Fourth Proportional to 20,025.32, 27,634.53 and 11,072.59

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Solution

The fourth proportional to 20,025.32, 27,634.53 and 11,072.59 is: 15,279.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.32 : 27,634.53 = 11,072.59 : x
  2. Step 2: Convert to fraction form
    20,025.32/27,634.53 = 11,072.59/x
  3. Step 3: Cross multiply
    20,025.32x = 27,634.53 × 11,072.59
  4. Step 4: Simplify right side
    20,025.32x = 305,985,792.97
  5. Step 5: Solve for x
    x = 305,985,792.97/20,025.32
  6. Step 6: Final answer
    x = 15,279.95

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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.