Home / 13,243.73-19,865.58-3,383.01

Finding the Fourth Proportional to 13,243.73, 19,865.58 and 3,383.01

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Solution

The fourth proportional to 13,243.73, 19,865.58 and 3,383.01 is: 5,074.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,243.73 : 19,865.58 = 3,383.01 : x
  2. Step 2: Convert to fraction form
    13,243.73/19,865.58 = 3,383.01/x
  3. Step 3: Cross multiply
    13,243.73x = 19,865.58 × 3,383.01
  4. Step 4: Simplify right side
    13,243.73x = 67,205,455.80
  5. Step 5: Solve for x
    x = 67,205,455.80/13,243.73
  6. Step 6: Final answer
    x = 5,074.51

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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.