Home / 20,734.19-31,098.22-10,201.39

Finding the Fourth Proportional to 20,734.19, 31,098.22 and 10,201.39

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Solution

The fourth proportional to 20,734.19, 31,098.22 and 10,201.39 is: 15,300.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734.19 : 31,098.22 = 10,201.39 : x
  2. Step 2: Convert to fraction form
    20,734.19/31,098.22 = 10,201.39/x
  3. Step 3: Cross multiply
    20,734.19x = 31,098.22 × 10,201.39
  4. Step 4: Simplify right side
    20,734.19x = 317,244,915.03
  5. Step 5: Solve for x
    x = 317,244,915.03/20,734.19
  6. Step 6: Final answer
    x = 15,300.57

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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.