Home / 20,025.08-27,634.12-11,072.36

Finding the Fourth Proportional to 20,025.08, 27,634.12 and 11,072.36

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Solution

The fourth proportional to 20,025.08, 27,634.12 and 11,072.36 is: 15,279.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.08 : 27,634.12 = 11,072.36 : x
  2. Step 2: Convert to fraction form
    20,025.08/27,634.12 = 11,072.36/x
  3. Step 3: Cross multiply
    20,025.08x = 27,634.12 × 11,072.36
  4. Step 4: Simplify right side
    20,025.08x = 305,974,924.92
  5. Step 5: Solve for x
    x = 305,974,924.92/20,025.08
  6. Step 6: Final answer
    x = 15,279.59

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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.