Home / 18,367.20-25,344.72-10,408.80

Finding the Fourth Proportional to 18,367.20, 25,344.72 and 10,408.80

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Solution

The fourth proportional to 18,367.20, 25,344.72 and 10,408.80 is: 14,363.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,367.20 : 25,344.72 = 10,408.80 : x
  2. Step 2: Convert to fraction form
    18,367.20/25,344.72 = 10,408.80/x
  3. Step 3: Cross multiply
    18,367.20x = 25,344.72 × 10,408.80
  4. Step 4: Simplify right side
    18,367.20x = 263,808,121.54
  5. Step 5: Solve for x
    x = 263,808,121.54/18,367.20
  6. Step 6: Final answer
    x = 14,363.00

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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.