Home / 15,858.87-23,788.68-5,329.04

Finding the Fourth Proportional to 15,858.87, 23,788.68 and 5,329.04

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Solution

The fourth proportional to 15,858.87, 23,788.68 and 5,329.04 is: 7,993.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,858.87 : 23,788.68 = 5,329.04 : x
  2. Step 2: Convert to fraction form
    15,858.87/23,788.68 = 5,329.04/x
  3. Step 3: Cross multiply
    15,858.87x = 23,788.68 × 5,329.04
  4. Step 4: Simplify right side
    15,858.87x = 126,770,804.31
  5. Step 5: Solve for x
    x = 126,770,804.31/15,858.87
  6. Step 6: Final answer
    x = 7,993.69

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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.