Home / 13,181.83-19,769.88-4,176.66

Finding the Fourth Proportional to 13,181.83, 19,769.88 and 4,176.66

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Solution

The fourth proportional to 13,181.83, 19,769.88 and 4,176.66 is: 6,264.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,181.83 : 19,769.88 = 4,176.66 : x
  2. Step 2: Convert to fraction form
    13,181.83/19,769.88 = 4,176.66/x
  3. Step 3: Cross multiply
    13,181.83x = 19,769.88 × 4,176.66
  4. Step 4: Simplify right side
    13,181.83x = 82,572,067.00
  5. Step 5: Solve for x
    x = 82,572,067.00/13,181.83
  6. Step 6: Final answer
    x = 6,264.08

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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.