Home / 20,016.88-27,622.18-11,063.85

Finding the Fourth Proportional to 20,016.88, 27,622.18 and 11,063.85

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Solution

The fourth proportional to 20,016.88, 27,622.18 and 11,063.85 is: 15,267.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,016.88 : 27,622.18 = 11,063.85 : x
  2. Step 2: Convert to fraction form
    20,016.88/27,622.18 = 11,063.85/x
  3. Step 3: Cross multiply
    20,016.88x = 27,622.18 × 11,063.85
  4. Step 4: Simplify right side
    20,016.88x = 305,607,656.19
  5. Step 5: Solve for x
    x = 305,607,656.19/20,016.88
  6. Step 6: Final answer
    x = 15,267.50

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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.