Home / 18,202.02-25,121.21-10,245.80

Finding the Fourth Proportional to 18,202.02, 25,121.21 and 10,245.80

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Solution

The fourth proportional to 18,202.02, 25,121.21 and 10,245.80 is: 14,140.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,202.02 : 25,121.21 = 10,245.80 : x
  2. Step 2: Convert to fraction form
    18,202.02/25,121.21 = 10,245.80/x
  3. Step 3: Cross multiply
    18,202.02x = 25,121.21 × 10,245.80
  4. Step 4: Simplify right side
    18,202.02x = 257,386,716.58
  5. Step 5: Solve for x
    x = 257,386,716.58/18,202.02
  6. Step 6: Final answer
    x = 14,140.56

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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.