Home / 13,244.78-19,867.12-3,384.04

Finding the Fourth Proportional to 13,244.78, 19,867.12 and 3,384.04

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Solution

The fourth proportional to 13,244.78, 19,867.12 and 3,384.04 is: 5,076.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.78 : 19,867.12 = 3,384.04 : x
  2. Step 2: Convert to fraction form
    13,244.78/19,867.12 = 3,384.04/x
  3. Step 3: Cross multiply
    13,244.78x = 19,867.12 × 3,384.04
  4. Step 4: Simplify right side
    13,244.78x = 67,231,111.84
  5. Step 5: Solve for x
    x = 67,231,111.84/13,244.78
  6. Step 6: Final answer
    x = 5,076.05

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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.