Home / 16,856-25,252.32-15,583.04

Finding the Fourth Proportional to 16,856, 25,252.32 and 15,583.04

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Solution

The fourth proportional to 16,856, 25,252.32 and 15,583.04 is: 23,345.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856 : 25,252.32 = 15,583.04 : x
  2. Step 2: Convert to fraction form
    16,856/25,252.32 = 15,583.04/x
  3. Step 3: Cross multiply
    16,856x = 25,252.32 × 15,583.04
  4. Step 4: Simplify right side
    16,856x = 393,507,912.65
  5. Step 5: Solve for x
    x = 393,507,912.65/16,856
  6. Step 6: Final answer
    x = 23,345.27

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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.