Home / 15,882.87-23,828.24-11,212.02

Finding the Fourth Proportional to 15,882.87, 23,828.24 and 11,212.02

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Solution

The fourth proportional to 15,882.87, 23,828.24 and 11,212.02 is: 16,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,882.87 : 23,828.24 = 11,212.02 : x
  2. Step 2: Convert to fraction form
    15,882.87/23,828.24 = 11,212.02/x
  3. Step 3: Cross multiply
    15,882.87x = 23,828.24 × 11,212.02
  4. Step 4: Simplify right side
    15,882.87x = 267,162,647.38
  5. Step 5: Solve for x
    x = 267,162,647.38/15,882.87
  6. Step 6: Final answer
    x = 16,820.80

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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.