Home / 18,744.02-25,865.87-10,245.86

Finding the Fourth Proportional to 18,744.02, 25,865.87 and 10,245.86

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Solution

The fourth proportional to 18,744.02, 25,865.87 and 10,245.86 is: 14,138.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,744.02 : 25,865.87 = 10,245.86 : x
  2. Step 2: Convert to fraction form
    18,744.02/25,865.87 = 10,245.86/x
  3. Step 3: Cross multiply
    18,744.02x = 25,865.87 × 10,245.86
  4. Step 4: Simplify right side
    18,744.02x = 265,017,902.24
  5. Step 5: Solve for x
    x = 265,017,902.24/18,744.02
  6. Step 6: Final answer
    x = 14,138.80

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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.