Home / 20,015.70-27,622.08-11,063.94

Finding the Fourth Proportional to 20,015.70, 27,622.08 and 11,063.94

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Solution

The fourth proportional to 20,015.70, 27,622.08 and 11,063.94 is: 15,268.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.70 : 27,622.08 = 11,063.94 : x
  2. Step 2: Convert to fraction form
    20,015.70/27,622.08 = 11,063.94/x
  3. Step 3: Cross multiply
    20,015.70x = 27,622.08 × 11,063.94
  4. Step 4: Simplify right side
    20,015.70x = 305,609,035.80
  5. Step 5: Solve for x
    x = 305,609,035.80/20,015.70
  6. Step 6: Final answer
    x = 15,268.47

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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.