Home / 23,628.64-35,449.89-6,989.11

Finding the Fourth Proportional to 23,628.64, 35,449.89 and 6,989.11

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Solution

The fourth proportional to 23,628.64, 35,449.89 and 6,989.11 is: 10,485.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,628.64 : 35,449.89 = 6,989.11 : x
  2. Step 2: Convert to fraction form
    23,628.64/35,449.89 = 6,989.11/x
  3. Step 3: Cross multiply
    23,628.64x = 35,449.89 × 6,989.11
  4. Step 4: Simplify right side
    23,628.64x = 247,763,180.70
  5. Step 5: Solve for x
    x = 247,763,180.70/23,628.64
  6. Step 6: Final answer
    x = 10,485.71

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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.