Home / 13,583.35-18,745.08-7,922.02

Finding the Fourth Proportional to 13,583.35, 18,745.08 and 7,922.02

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Solution

The fourth proportional to 13,583.35, 18,745.08 and 7,922.02 is: 10,932.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,583.35 : 18,745.08 = 7,922.02 : x
  2. Step 2: Convert to fraction form
    13,583.35/18,745.08 = 7,922.02/x
  3. Step 3: Cross multiply
    13,583.35x = 18,745.08 × 7,922.02
  4. Step 4: Simplify right side
    13,583.35x = 148,498,898.66
  5. Step 5: Solve for x
    x = 148,498,898.66/13,583.35
  6. Step 6: Final answer
    x = 10,932.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.