Home / 18,747.45-25,871.55-10,249.44

Finding the Fourth Proportional to 18,747.45, 25,871.55 and 10,249.44

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Solution

The fourth proportional to 18,747.45, 25,871.55 and 10,249.44 is: 14,144.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,747.45 : 25,871.55 = 10,249.44 : x
  2. Step 2: Convert to fraction form
    18,747.45/25,871.55 = 10,249.44/x
  3. Step 3: Cross multiply
    18,747.45x = 25,871.55 × 10,249.44
  4. Step 4: Simplify right side
    18,747.45x = 265,168,899.43
  5. Step 5: Solve for x
    x = 265,168,899.43/18,747.45
  6. Step 6: Final answer
    x = 14,144.26

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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.