Home / 15,759.36-23,643.50-5,230.37

Finding the Fourth Proportional to 15,759.36, 23,643.50 and 5,230.37

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Solution

The fourth proportional to 15,759.36, 23,643.50 and 5,230.37 is: 7,847.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,759.36 : 23,643.50 = 5,230.37 : x
  2. Step 2: Convert to fraction form
    15,759.36/23,643.50 = 5,230.37/x
  3. Step 3: Cross multiply
    15,759.36x = 23,643.50 × 5,230.37
  4. Step 4: Simplify right side
    15,759.36x = 123,664,286.05
  5. Step 5: Solve for x
    x = 123,664,286.05/15,759.36
  6. Step 6: Final answer
    x = 7,847.04

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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.