Home / 25,751.37-38,652.02-12,433.75

Finding the Fourth Proportional to 25,751.37, 38,652.02 and 12,433.75

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Solution

The fourth proportional to 25,751.37, 38,652.02 and 12,433.75 is: 18,662.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,751.37 : 38,652.02 = 12,433.75 : x
  2. Step 2: Convert to fraction form
    25,751.37/38,652.02 = 12,433.75/x
  3. Step 3: Cross multiply
    25,751.37x = 38,652.02 × 12,433.75
  4. Step 4: Simplify right side
    25,751.37x = 480,589,553.68
  5. Step 5: Solve for x
    x = 480,589,553.68/25,751.37
  6. Step 6: Final answer
    x = 18,662.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.