Home / 18,153.68-25,035.42-11,773.60

Finding the Fourth Proportional to 18,153.68, 25,035.42 and 11,773.60

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Solution

The fourth proportional to 18,153.68, 25,035.42 and 11,773.60 is: 16,236.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.68 : 25,035.42 = 11,773.60 : x
  2. Step 2: Convert to fraction form
    18,153.68/25,035.42 = 11,773.60/x
  3. Step 3: Cross multiply
    18,153.68x = 25,035.42 × 11,773.60
  4. Step 4: Simplify right side
    18,153.68x = 294,757,020.91
  5. Step 5: Solve for x
    x = 294,757,020.91/18,153.68
  6. Step 6: Final answer
    x = 16,236.76

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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.