Home / 15,882.10-23,815.46-4,786.72

Finding the Fourth Proportional to 15,882.10, 23,815.46 and 4,786.72

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Solution

The fourth proportional to 15,882.10, 23,815.46 and 4,786.72 is: 7,177.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,882.10 : 23,815.46 = 4,786.72 : x
  2. Step 2: Convert to fraction form
    15,882.10/23,815.46 = 4,786.72/x
  3. Step 3: Cross multiply
    15,882.10x = 23,815.46 × 4,786.72
  4. Step 4: Simplify right side
    15,882.10x = 113,997,914.76
  5. Step 5: Solve for x
    x = 113,997,914.76/15,882.10
  6. Step 6: Final answer
    x = 7,177.76

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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.