Home / 20,015.71-27,623.11-11,063.03

Finding the Fourth Proportional to 20,015.71, 27,623.11 and 11,063.03

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Solution

The fourth proportional to 20,015.71, 27,623.11 and 11,063.03 is: 15,267.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.71 : 27,623.11 = 11,063.03 : x
  2. Step 2: Convert to fraction form
    20,015.71/27,623.11 = 11,063.03/x
  3. Step 3: Cross multiply
    20,015.71x = 27,623.11 × 11,063.03
  4. Step 4: Simplify right side
    20,015.71x = 305,595,128.85
  5. Step 5: Solve for x
    x = 305,595,128.85/20,015.71
  6. Step 6: Final answer
    x = 15,267.77

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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.