Home / 25,821.64-38,735.54-9,183.36

Finding the Fourth Proportional to 25,821.64, 38,735.54 and 9,183.36

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Solution

The fourth proportional to 25,821.64, 38,735.54 and 9,183.36 is: 13,776.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,821.64 : 38,735.54 = 9,183.36 : x
  2. Step 2: Convert to fraction form
    25,821.64/38,735.54 = 9,183.36/x
  3. Step 3: Cross multiply
    25,821.64x = 38,735.54 × 9,183.36
  4. Step 4: Simplify right side
    25,821.64x = 355,722,408.61
  5. Step 5: Solve for x
    x = 355,722,408.61/25,821.64
  6. Step 6: Final answer
    x = 13,776.14

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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.