Home / 15,863.52-23,786.96-5,472.88

Finding the Fourth Proportional to 15,863.52, 23,786.96 and 5,472.88

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Solution

The fourth proportional to 15,863.52, 23,786.96 and 5,472.88 is: 8,206.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,863.52 : 23,786.96 = 5,472.88 : x
  2. Step 2: Convert to fraction form
    15,863.52/23,786.96 = 5,472.88/x
  3. Step 3: Cross multiply
    15,863.52x = 23,786.96 × 5,472.88
  4. Step 4: Simplify right side
    15,863.52x = 130,183,177.64
  5. Step 5: Solve for x
    x = 130,183,177.64/15,863.52
  6. Step 6: Final answer
    x = 8,206.45

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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.