Home / 15,908.25-23,858.43-5,378.04

Finding the Fourth Proportional to 15,908.25, 23,858.43 and 5,378.04

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Solution

The fourth proportional to 15,908.25, 23,858.43 and 5,378.04 is: 8,065.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,908.25 : 23,858.43 = 5,378.04 : x
  2. Step 2: Convert to fraction form
    15,908.25/23,858.43 = 5,378.04/x
  3. Step 3: Cross multiply
    15,908.25x = 23,858.43 × 5,378.04
  4. Step 4: Simplify right side
    15,908.25x = 128,311,590.88
  5. Step 5: Solve for x
    x = 128,311,590.88/15,908.25
  6. Step 6: Final answer
    x = 8,065.73

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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.