Home / 18,327.92-25,288.68-10,372.08

Finding the Fourth Proportional to 18,327.92, 25,288.68 and 10,372.08

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Solution

The fourth proportional to 18,327.92, 25,288.68 and 10,372.08 is: 14,311.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327.92 : 25,288.68 = 10,372.08 : x
  2. Step 2: Convert to fraction form
    18,327.92/25,288.68 = 10,372.08/x
  3. Step 3: Cross multiply
    18,327.92x = 25,288.68 × 10,372.08
  4. Step 4: Simplify right side
    18,327.92x = 262,296,212.05
  5. Step 5: Solve for x
    x = 262,296,212.05/18,327.92
  6. Step 6: Final answer
    x = 14,311.29

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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.