Home / 13,330.47-18,396.82-8,027

Finding the Fourth Proportional to 13,330.47, 18,396.82 and 8,027

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Solution

The fourth proportional to 13,330.47, 18,396.82 and 8,027 is: 11,077.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.47 : 18,396.82 = 8,027 : x
  2. Step 2: Convert to fraction form
    13,330.47/18,396.82 = 8,027/x
  3. Step 3: Cross multiply
    13,330.47x = 18,396.82 × 8,027
  4. Step 4: Simplify right side
    13,330.47x = 147,671,274.14
  5. Step 5: Solve for x
    x = 147,671,274.14/13,330.47
  6. Step 6: Final answer
    x = 11,077.72

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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.