Home / 20,025.55-27,634.15-11,072.52

Finding the Fourth Proportional to 20,025.55, 27,634.15 and 11,072.52

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Solution

The fourth proportional to 20,025.55, 27,634.15 and 11,072.52 is: 15,279.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025.55 : 27,634.15 = 11,072.52 : x
  2. Step 2: Convert to fraction form
    20,025.55/27,634.15 = 11,072.52/x
  3. Step 3: Cross multiply
    20,025.55x = 27,634.15 × 11,072.52
  4. Step 4: Simplify right side
    20,025.55x = 305,979,485.02
  5. Step 5: Solve for x
    x = 305,979,485.02/20,025.55
  6. Step 6: Final answer
    x = 15,279.45

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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.