Home / 18,207.54-25,126.11-10,249.79

Finding the Fourth Proportional to 18,207.54, 25,126.11 and 10,249.79

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Solution

The fourth proportional to 18,207.54, 25,126.11 and 10,249.79 is: 14,144.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,207.54 : 25,126.11 = 10,249.79 : x
  2. Step 2: Convert to fraction form
    18,207.54/25,126.11 = 10,249.79/x
  3. Step 3: Cross multiply
    18,207.54x = 25,126.11 × 10,249.79
  4. Step 4: Simplify right side
    18,207.54x = 257,537,225.39
  5. Step 5: Solve for x
    x = 257,537,225.39/18,207.54
  6. Step 6: Final answer
    x = 14,144.54

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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.