Home / 19,086.03-28,629.09-5,235.03

Finding the Fourth Proportional to 19,086.03, 28,629.09 and 5,235.03

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Solution

The fourth proportional to 19,086.03, 28,629.09 and 5,235.03 is: 7,852.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,086.03 : 28,629.09 = 5,235.03 : x
  2. Step 2: Convert to fraction form
    19,086.03/28,629.09 = 5,235.03/x
  3. Step 3: Cross multiply
    19,086.03x = 28,629.09 × 5,235.03
  4. Step 4: Simplify right side
    19,086.03x = 149,874,145.02
  5. Step 5: Solve for x
    x = 149,874,145.02/19,086.03
  6. Step 6: Final answer
    x = 7,852.56

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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.