Home / 15,283.20-22,976.64-12,202.56

Finding the Fourth Proportional to 15,283.20, 22,976.64 and 12,202.56

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Solution

The fourth proportional to 15,283.20, 22,976.64 and 12,202.56 is: 18,345.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,283.20 : 22,976.64 = 12,202.56 : x
  2. Step 2: Convert to fraction form
    15,283.20/22,976.64 = 12,202.56/x
  3. Step 3: Cross multiply
    15,283.20x = 22,976.64 × 12,202.56
  4. Step 4: Simplify right side
    15,283.20x = 280,373,828.20
  5. Step 5: Solve for x
    x = 280,373,828.20/15,283.20
  6. Step 6: Final answer
    x = 18,345.23

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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.