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Finding the Fourth Proportional to 14,349.34, 19,799.26 and 8,381.26

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Solution

The fourth proportional to 14,349.34, 19,799.26 and 8,381.26 is: 11,564.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,349.34 : 19,799.26 = 8,381.26 : x
  2. Step 2: Convert to fraction form
    14,349.34/19,799.26 = 8,381.26/x
  3. Step 3: Cross multiply
    14,349.34x = 19,799.26 × 8,381.26
  4. Step 4: Simplify right side
    14,349.34x = 165,942,745.87
  5. Step 5: Solve for x
    x = 165,942,745.87/14,349.34
  6. Step 6: Final answer
    x = 11,564.49

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1.5x scale

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.