Home / 15,863.31-23,797.13-5,475.87

Finding the Fourth Proportional to 15,863.31, 23,797.13 and 5,475.87

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Solution

The fourth proportional to 15,863.31, 23,797.13 and 5,475.87 is: 8,214.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,863.31 : 23,797.13 = 5,475.87 : x
  2. Step 2: Convert to fraction form
    15,863.31/23,797.13 = 5,475.87/x
  3. Step 3: Cross multiply
    15,863.31x = 23,797.13 × 5,475.87
  4. Step 4: Simplify right side
    15,863.31x = 130,309,962.87
  5. Step 5: Solve for x
    x = 130,309,962.87/15,863.31
  6. Step 6: Final answer
    x = 8,214.55

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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.