Home / 13,174.45-19,760.23-3,313.73

Finding the Fourth Proportional to 13,174.45, 19,760.23 and 3,313.73

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Solution

The fourth proportional to 13,174.45, 19,760.23 and 3,313.73 is: 4,970.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174.45 : 19,760.23 = 3,313.73 : x
  2. Step 2: Convert to fraction form
    13,174.45/19,760.23 = 3,313.73/x
  3. Step 3: Cross multiply
    13,174.45x = 19,760.23 × 3,313.73
  4. Step 4: Simplify right side
    13,174.45x = 65,480,101.86
  5. Step 5: Solve for x
    x = 65,480,101.86/13,174.45
  6. Step 6: Final answer
    x = 4,970.23

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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.