Home / 15,986.54-23,979.82-4,300.94

Finding the Fourth Proportional to 15,986.54, 23,979.82 and 4,300.94

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Solution

The fourth proportional to 15,986.54, 23,979.82 and 4,300.94 is: 6,451.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986.54 : 23,979.82 = 4,300.94 : x
  2. Step 2: Convert to fraction form
    15,986.54/23,979.82 = 4,300.94/x
  3. Step 3: Cross multiply
    15,986.54x = 23,979.82 × 4,300.94
  4. Step 4: Simplify right side
    15,986.54x = 103,135,767.03
  5. Step 5: Solve for x
    x = 103,135,767.03/15,986.54
  6. Step 6: Final answer
    x = 6,451.41

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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.