Home / 20,025.25-27,633.76-11,072.23

Finding the Fourth Proportional to 20,025.25, 27,633.76 and 11,072.23

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Solution

The fourth proportional to 20,025.25, 27,633.76 and 11,072.23 is: 15,279.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.25 : 27,633.76 = 11,072.23 : x
  2. Step 2: Convert to fraction form
    20,025.25/27,633.76 = 11,072.23/x
  3. Step 3: Cross multiply
    20,025.25x = 27,633.76 × 11,072.23
  4. Step 4: Simplify right side
    20,025.25x = 305,967,346.48
  5. Step 5: Solve for x
    x = 305,967,346.48/20,025.25
  6. Step 6: Final answer
    x = 15,279.08

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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.