Home / 18,231.02-25,158.79-9,847.52

Finding the Fourth Proportional to 18,231.02, 25,158.79 and 9,847.52

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Solution

The fourth proportional to 18,231.02, 25,158.79 and 9,847.52 is: 13,589.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231.02 : 25,158.79 = 9,847.52 : x
  2. Step 2: Convert to fraction form
    18,231.02/25,158.79 = 9,847.52/x
  3. Step 3: Cross multiply
    18,231.02x = 25,158.79 × 9,847.52
  4. Step 4: Simplify right side
    18,231.02x = 247,751,687.70
  5. Step 5: Solve for x
    x = 247,751,687.70/18,231.02
  6. Step 6: Final answer
    x = 13,589.57

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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.