Home / 13,234.36-18,264.08-7,265.96

Finding the Fourth Proportional to 13,234.36, 18,264.08 and 7,265.96

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Solution

The fourth proportional to 13,234.36, 18,264.08 and 7,265.96 is: 10,027.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,234.36 : 18,264.08 = 7,265.96 : x
  2. Step 2: Convert to fraction form
    13,234.36/18,264.08 = 7,265.96/x
  3. Step 3: Cross multiply
    13,234.36x = 18,264.08 × 7,265.96
  4. Step 4: Simplify right side
    13,234.36x = 132,706,074.72
  5. Step 5: Solve for x
    x = 132,706,074.72/13,234.36
  6. Step 6: Final answer
    x = 10,027.39

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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.