Home / 13,835.14-20,753.63-3,974.51

Finding the Fourth Proportional to 13,835.14, 20,753.63 and 3,974.51

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Solution

The fourth proportional to 13,835.14, 20,753.63 and 3,974.51 is: 5,962.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.14 : 20,753.63 = 3,974.51 : x
  2. Step 2: Convert to fraction form
    13,835.14/20,753.63 = 3,974.51/x
  3. Step 3: Cross multiply
    13,835.14x = 20,753.63 × 3,974.51
  4. Step 4: Simplify right side
    13,835.14x = 82,485,386.33
  5. Step 5: Solve for x
    x = 82,485,386.33/13,835.14
  6. Step 6: Final answer
    x = 5,962.02

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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.