Home / 13,972.41-20,946.09-5,201.34

Finding the Fourth Proportional to 13,972.41, 20,946.09 and 5,201.34

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Solution

The fourth proportional to 13,972.41, 20,946.09 and 5,201.34 is: 7,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.41 : 20,946.09 = 5,201.34 : x
  2. Step 2: Convert to fraction form
    13,972.41/20,946.09 = 5,201.34/x
  3. Step 3: Cross multiply
    13,972.41x = 20,946.09 × 5,201.34
  4. Step 4: Simplify right side
    13,972.41x = 108,947,735.76
  5. Step 5: Solve for x
    x = 108,947,735.76/13,972.41
  6. Step 6: Final answer
    x = 7,797.35

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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.