Home / 18,231.03-25,158.84-9,847.53

Finding the Fourth Proportional to 18,231.03, 25,158.84 and 9,847.53

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Solution

The fourth proportional to 18,231.03, 25,158.84 and 9,847.53 is: 13,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231.03 : 25,158.84 = 9,847.53 : x
  2. Step 2: Convert to fraction form
    18,231.03/25,158.84 = 9,847.53/x
  3. Step 3: Cross multiply
    18,231.03x = 25,158.84 × 9,847.53
  4. Step 4: Simplify right side
    18,231.03x = 247,752,431.67
  5. Step 5: Solve for x
    x = 247,752,431.67/18,231.03
  6. Step 6: Final answer
    x = 13,589.60

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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.