Home / 20,008.39-27,611.56-11,056.04

Finding the Fourth Proportional to 20,008.39, 27,611.56 and 11,056.04

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Solution

The fourth proportional to 20,008.39, 27,611.56 and 11,056.04 is: 15,257.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008.39 : 27,611.56 = 11,056.04 : x
  2. Step 2: Convert to fraction form
    20,008.39/27,611.56 = 11,056.04/x
  3. Step 3: Cross multiply
    20,008.39x = 27,611.56 × 11,056.04
  4. Step 4: Simplify right side
    20,008.39x = 305,274,615.35
  5. Step 5: Solve for x
    x = 305,274,615.35/20,008.39
  6. Step 6: Final answer
    x = 15,257.33

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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.