Home / 15,864.54-23,782.23-5,469

Finding the Fourth Proportional to 15,864.54, 23,782.23 and 5,469

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Solution

The fourth proportional to 15,864.54, 23,782.23 and 5,469 is: 8,198.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,864.54 : 23,782.23 = 5,469 : x
  2. Step 2: Convert to fraction form
    15,864.54/23,782.23 = 5,469/x
  3. Step 3: Cross multiply
    15,864.54x = 23,782.23 × 5,469
  4. Step 4: Simplify right side
    15,864.54x = 130,065,015.87
  5. Step 5: Solve for x
    x = 130,065,015.87/15,864.54
  6. Step 6: Final answer
    x = 8,198.47

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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.