Home / 25,812.36-35,620.02-15,202.44

Finding the Fourth Proportional to 25,812.36, 35,620.02 and 15,202.44

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Solution

The fourth proportional to 25,812.36, 35,620.02 and 15,202.44 is: 20,978.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,812.36 : 35,620.02 = 15,202.44 : x
  2. Step 2: Convert to fraction form
    25,812.36/35,620.02 = 15,202.44/x
  3. Step 3: Cross multiply
    25,812.36x = 35,620.02 × 15,202.44
  4. Step 4: Simplify right side
    25,812.36x = 541,511,216.85
  5. Step 5: Solve for x
    x = 541,511,216.85/25,812.36
  6. Step 6: Final answer
    x = 20,978.76

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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.