Home / 20,015.38-27,620.95-11,063.04

Finding the Fourth Proportional to 20,015.38, 27,620.95 and 11,063.04

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Solution

The fourth proportional to 20,015.38, 27,620.95 and 11,063.04 is: 15,266.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,015.38 : 27,620.95 = 11,063.04 : x
  2. Step 2: Convert to fraction form
    20,015.38/27,620.95 = 11,063.04/x
  3. Step 3: Cross multiply
    20,015.38x = 27,620.95 × 11,063.04
  4. Step 4: Simplify right side
    20,015.38x = 305,571,674.69
  5. Step 5: Solve for x
    x = 305,571,674.69/20,015.38
  6. Step 6: Final answer
    x = 15,266.84

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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.