Home / 13,804.71-20,706.82-3,416.46

Finding the Fourth Proportional to 13,804.71, 20,706.82 and 3,416.46

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Solution

The fourth proportional to 13,804.71, 20,706.82 and 3,416.46 is: 5,124.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,804.71 : 20,706.82 = 3,416.46 : x
  2. Step 2: Convert to fraction form
    13,804.71/20,706.82 = 3,416.46/x
  3. Step 3: Cross multiply
    13,804.71x = 20,706.82 × 3,416.46
  4. Step 4: Simplify right side
    13,804.71x = 70,744,022.26
  5. Step 5: Solve for x
    x = 70,744,022.26/13,804.71
  6. Step 6: Final answer
    x = 5,124.63

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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.