Home / 18,796.02-25,879.41-15,270.90

Finding the Fourth Proportional to 18,796.02, 25,879.41 and 15,270.90

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Solution

The fourth proportional to 18,796.02, 25,879.41 and 15,270.90 is: 21,025.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,796.02 : 25,879.41 = 15,270.90 : x
  2. Step 2: Convert to fraction form
    18,796.02/25,879.41 = 15,270.90/x
  3. Step 3: Cross multiply
    18,796.02x = 25,879.41 × 15,270.90
  4. Step 4: Simplify right side
    18,796.02x = 395,201,882.17
  5. Step 5: Solve for x
    x = 395,201,882.17/18,796.02
  6. Step 6: Final answer
    x = 21,025.83

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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.