Home / 13,924.14-20,881.04-5,601.31

Finding the Fourth Proportional to 13,924.14, 20,881.04 and 5,601.31

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Solution

The fourth proportional to 13,924.14, 20,881.04 and 5,601.31 is: 8,399.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.14 : 20,881.04 = 5,601.31 : x
  2. Step 2: Convert to fraction form
    13,924.14/20,881.04 = 5,601.31/x
  3. Step 3: Cross multiply
    13,924.14x = 20,881.04 × 5,601.31
  4. Step 4: Simplify right side
    13,924.14x = 116,961,178.16
  5. Step 5: Solve for x
    x = 116,961,178.16/13,924.14
  6. Step 6: Final answer
    x = 8,399.89

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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.