Home / 13,207.10-19,811.36-3,346.46

Finding the Fourth Proportional to 13,207.10, 19,811.36 and 3,346.46

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Solution

The fourth proportional to 13,207.10, 19,811.36 and 3,346.46 is: 5,019.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.10 : 19,811.36 = 3,346.46 : x
  2. Step 2: Convert to fraction form
    13,207.10/19,811.36 = 3,346.46/x
  3. Step 3: Cross multiply
    13,207.10x = 19,811.36 × 3,346.46
  4. Step 4: Simplify right side
    13,207.10x = 66,297,923.79
  5. Step 5: Solve for x
    x = 66,297,923.79/13,207.10
  6. Step 6: Final answer
    x = 5,019.87

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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.