Home / 13,192.85-19,789.07-5,297.37

Finding the Fourth Proportional to 13,192.85, 19,789.07 and 5,297.37

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Solution

The fourth proportional to 13,192.85, 19,789.07 and 5,297.37 is: 7,945.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.85 : 19,789.07 = 5,297.37 : x
  2. Step 2: Convert to fraction form
    13,192.85/19,789.07 = 5,297.37/x
  3. Step 3: Cross multiply
    13,192.85x = 19,789.07 × 5,297.37
  4. Step 4: Simplify right side
    13,192.85x = 104,829,999.26
  5. Step 5: Solve for x
    x = 104,829,999.26/13,192.85
  6. Step 6: Final answer
    x = 7,945.97

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1.5x scale

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.