Home / 18,408.08-25,403.27-10,450.44

Finding the Fourth Proportional to 18,408.08, 25,403.27 and 10,450.44

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Solution

The fourth proportional to 18,408.08, 25,403.27 and 10,450.44 is: 14,421.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,408.08 : 25,403.27 = 10,450.44 : x
  2. Step 2: Convert to fraction form
    18,408.08/25,403.27 = 10,450.44/x
  3. Step 3: Cross multiply
    18,408.08x = 25,403.27 × 10,450.44
  4. Step 4: Simplify right side
    18,408.08x = 265,475,348.94
  5. Step 5: Solve for x
    x = 265,475,348.94/18,408.08
  6. Step 6: Final answer
    x = 14,421.68

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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.