Home / 15,881.11-23,821.25-4,194.43

Finding the Fourth Proportional to 15,881.11, 23,821.25 and 4,194.43

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Solution

The fourth proportional to 15,881.11, 23,821.25 and 4,194.43 is: 6,291.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,881.11 : 23,821.25 = 4,194.43 : x
  2. Step 2: Convert to fraction form
    15,881.11/23,821.25 = 4,194.43/x
  3. Step 3: Cross multiply
    15,881.11x = 23,821.25 × 4,194.43
  4. Step 4: Simplify right side
    15,881.11x = 99,916,565.64
  5. Step 5: Solve for x
    x = 99,916,565.64/15,881.11
  6. Step 6: Final answer
    x = 6,291.54

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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.