Home / 18,207.82-25,126.35-10,249.96

Finding the Fourth Proportional to 18,207.82, 25,126.35 and 10,249.96

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Solution

The fourth proportional to 18,207.82, 25,126.35 and 10,249.96 is: 14,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,207.82 : 25,126.35 = 10,249.96 : x
  2. Step 2: Convert to fraction form
    18,207.82/25,126.35 = 10,249.96/x
  3. Step 3: Cross multiply
    18,207.82x = 25,126.35 × 10,249.96
  4. Step 4: Simplify right side
    18,207.82x = 257,544,082.45
  5. Step 5: Solve for x
    x = 257,544,082.45/18,207.82
  6. Step 6: Final answer
    x = 14,144.70

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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.