Home / 20,008.99-27,611.70-11,056.33

Finding the Fourth Proportional to 20,008.99, 27,611.70 and 11,056.33

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Solution

The fourth proportional to 20,008.99, 27,611.70 and 11,056.33 is: 15,257.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008.99 : 27,611.70 = 11,056.33 : x
  2. Step 2: Convert to fraction form
    20,008.99/27,611.70 = 11,056.33/x
  3. Step 3: Cross multiply
    20,008.99x = 27,611.70 × 11,056.33
  4. Step 4: Simplify right side
    20,008.99x = 305,284,067.06
  5. Step 5: Solve for x
    x = 305,284,067.06/20,008.99
  6. Step 6: Final answer
    x = 15,257.35

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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.