Home / 13,800.45-20,706.83-5,033.31

Finding the Fourth Proportional to 13,800.45, 20,706.83 and 5,033.31

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Solution

The fourth proportional to 13,800.45, 20,706.83 and 5,033.31 is: 7,552.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800.45 : 20,706.83 = 5,033.31 : x
  2. Step 2: Convert to fraction form
    13,800.45/20,706.83 = 5,033.31/x
  3. Step 3: Cross multiply
    13,800.45x = 20,706.83 × 5,033.31
  4. Step 4: Simplify right side
    13,800.45x = 104,223,869.34
  5. Step 5: Solve for x
    x = 104,223,869.34/13,800.45
  6. Step 6: Final answer
    x = 7,552.21

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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.