Home / 18,249.56-25,191.20-14,208.38

Finding the Fourth Proportional to 18,249.56, 25,191.20 and 14,208.38

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Solution

The fourth proportional to 18,249.56, 25,191.20 and 14,208.38 is: 19,612.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249.56 : 25,191.20 = 14,208.38 : x
  2. Step 2: Convert to fraction form
    18,249.56/25,191.20 = 14,208.38/x
  3. Step 3: Cross multiply
    18,249.56x = 25,191.20 × 14,208.38
  4. Step 4: Simplify right side
    18,249.56x = 357,926,142.26
  5. Step 5: Solve for x
    x = 357,926,142.26/18,249.56
  6. Step 6: Final answer
    x = 19,612.86

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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.