Home / 20,255.01-27,951.27-11,056.22

Finding the Fourth Proportional to 20,255.01, 27,951.27 and 11,056.22

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Solution

The fourth proportional to 20,255.01, 27,951.27 and 11,056.22 is: 15,257.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,255.01 : 27,951.27 = 11,056.22 : x
  2. Step 2: Convert to fraction form
    20,255.01/27,951.27 = 11,056.22/x
  3. Step 3: Cross multiply
    20,255.01x = 27,951.27 × 11,056.22
  4. Step 4: Simplify right side
    20,255.01x = 309,035,250.64
  5. Step 5: Solve for x
    x = 309,035,250.64/20,255.01
  6. Step 6: Final answer
    x = 15,257.23

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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.