Home / 18,247.73-25,181.87-10,289.96

Finding the Fourth Proportional to 18,247.73, 25,181.87 and 10,289.96

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Solution

The fourth proportional to 18,247.73, 25,181.87 and 10,289.96 is: 14,200.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,247.73 : 25,181.87 = 10,289.96 : x
  2. Step 2: Convert to fraction form
    18,247.73/25,181.87 = 10,289.96/x
  3. Step 3: Cross multiply
    18,247.73x = 25,181.87 × 10,289.96
  4. Step 4: Simplify right side
    18,247.73x = 259,120,374.57
  5. Step 5: Solve for x
    x = 259,120,374.57/18,247.73
  6. Step 6: Final answer
    x = 14,200.14

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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.