Home / 13,956.48-20,926.62-5,629.68

Finding the Fourth Proportional to 13,956.48, 20,926.62 and 5,629.68

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Solution

The fourth proportional to 13,956.48, 20,926.62 and 5,629.68 is: 8,441.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.48 : 20,926.62 = 5,629.68 : x
  2. Step 2: Convert to fraction form
    13,956.48/20,926.62 = 5,629.68/x
  3. Step 3: Cross multiply
    13,956.48x = 20,926.62 × 5,629.68
  4. Step 4: Simplify right side
    13,956.48x = 117,810,174.08
  5. Step 5: Solve for x
    x = 117,810,174.08/13,956.48
  6. Step 6: Final answer
    x = 8,441.25

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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.