Home / 13,181.17-19,769.68-4,416.16

Finding the Fourth Proportional to 13,181.17, 19,769.68 and 4,416.16

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Solution

The fourth proportional to 13,181.17, 19,769.68 and 4,416.16 is: 6,623.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,181.17 : 19,769.68 = 4,416.16 : x
  2. Step 2: Convert to fraction form
    13,181.17/19,769.68 = 4,416.16/x
  3. Step 3: Cross multiply
    13,181.17x = 19,769.68 × 4,416.16
  4. Step 4: Simplify right side
    13,181.17x = 87,306,070.03
  5. Step 5: Solve for x
    x = 87,306,070.03/13,181.17
  6. Step 6: Final answer
    x = 6,623.54

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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.