Home / 18,408.07-25,402.47-11,249.96

Finding the Fourth Proportional to 18,408.07, 25,402.47 and 11,249.96

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Solution

The fourth proportional to 18,408.07, 25,402.47 and 11,249.96 is: 15,524.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,408.07 : 25,402.47 = 11,249.96 : x
  2. Step 2: Convert to fraction form
    18,408.07/25,402.47 = 11,249.96/x
  3. Step 3: Cross multiply
    18,408.07x = 25,402.47 × 11,249.96
  4. Step 4: Simplify right side
    18,408.07x = 285,776,771.40
  5. Step 5: Solve for x
    x = 285,776,771.40/18,408.07
  6. Step 6: Final answer
    x = 15,524.54

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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.