Home / 12,529.50-18,795.36-3,295.50

Finding the Fourth Proportional to 12,529.50, 18,795.36 and 3,295.50

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Solution

The fourth proportional to 12,529.50, 18,795.36 and 3,295.50 is: 4,943.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,529.50 : 18,795.36 = 3,295.50 : x
  2. Step 2: Convert to fraction form
    12,529.50/18,795.36 = 3,295.50/x
  3. Step 3: Cross multiply
    12,529.50x = 18,795.36 × 3,295.50
  4. Step 4: Simplify right side
    12,529.50x = 61,940,108.88
  5. Step 5: Solve for x
    x = 61,940,108.88/12,529.50
  6. Step 6: Final answer
    x = 4,943.54

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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.