Home / 15,879.29-23,821.37-4,193.42

Finding the Fourth Proportional to 15,879.29, 23,821.37 and 4,193.42

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Solution

The fourth proportional to 15,879.29, 23,821.37 and 4,193.42 is: 6,290.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,879.29 : 23,821.37 = 4,193.42 : x
  2. Step 2: Convert to fraction form
    15,879.29/23,821.37 = 4,193.42/x
  3. Step 3: Cross multiply
    15,879.29x = 23,821.37 × 4,193.42
  4. Step 4: Simplify right side
    15,879.29x = 99,892,988.42
  5. Step 5: Solve for x
    x = 99,892,988.42/15,879.29
  6. Step 6: Final answer
    x = 6,290.77

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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.