Home / 13,181.01-19,771.52-3,821.04

Finding the Fourth Proportional to 13,181.01, 19,771.52 and 3,821.04

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Solution

The fourth proportional to 13,181.01, 19,771.52 and 3,821.04 is: 5,731.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,181.01 : 19,771.52 = 3,821.04 : x
  2. Step 2: Convert to fraction form
    13,181.01/19,771.52 = 3,821.04/x
  3. Step 3: Cross multiply
    13,181.01x = 19,771.52 × 3,821.04
  4. Step 4: Simplify right side
    13,181.01x = 75,547,768.78
  5. Step 5: Solve for x
    x = 75,547,768.78/13,181.01
  6. Step 6: Final answer
    x = 5,731.56

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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.