Home / 23,976.56-35,964.84-8,390.54

Finding the Fourth Proportional to 23,976.56, 35,964.84 and 8,390.54

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Solution

The fourth proportional to 23,976.56, 35,964.84 and 8,390.54 is: 12,585.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,976.56 : 35,964.84 = 8,390.54 : x
  2. Step 2: Convert to fraction form
    23,976.56/35,964.84 = 8,390.54/x
  3. Step 3: Cross multiply
    23,976.56x = 35,964.84 × 8,390.54
  4. Step 4: Simplify right side
    23,976.56x = 301,764,428.61
  5. Step 5: Solve for x
    x = 301,764,428.61/23,976.56
  6. Step 6: Final answer
    x = 12,585.81

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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.