Home / 13,449.33-20,174.00-4,089.32

Finding the Fourth Proportional to 13,449.33, 20,174.00 and 4,089.32

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Solution

The fourth proportional to 13,449.33, 20,174.00 and 4,089.32 is: 6,133.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,449.33 : 20,174.00 = 4,089.32 : x
  2. Step 2: Convert to fraction form
    13,449.33/20,174.00 = 4,089.32/x
  3. Step 3: Cross multiply
    13,449.33x = 20,174.00 × 4,089.32
  4. Step 4: Simplify right side
    13,449.33x = 82,497,820.36
  5. Step 5: Solve for x
    x = 82,497,820.36/13,449.33
  6. Step 6: Final answer
    x = 6,133.97

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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.