Home / 25,380.64-38,069.34-7,849

Finding the Fourth Proportional to 25,380.64, 38,069.34 and 7,849

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Solution

The fourth proportional to 25,380.64, 38,069.34 and 7,849 is: 11,773.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,380.64 : 38,069.34 = 7,849 : x
  2. Step 2: Convert to fraction form
    25,380.64/38,069.34 = 7,849/x
  3. Step 3: Cross multiply
    25,380.64x = 38,069.34 × 7,849
  4. Step 4: Simplify right side
    25,380.64x = 298,806,249.66
  5. Step 5: Solve for x
    x = 298,806,249.66/25,380.64
  6. Step 6: Final answer
    x = 11,773.00

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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.