Home / 13,796.52-20,694.70-3,408.28

Finding the Fourth Proportional to 13,796.52, 20,694.70 and 3,408.28

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Solution

The fourth proportional to 13,796.52, 20,694.70 and 3,408.28 is: 5,112.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,796.52 : 20,694.70 = 3,408.28 : x
  2. Step 2: Convert to fraction form
    13,796.52/20,694.70 = 3,408.28/x
  3. Step 3: Cross multiply
    13,796.52x = 20,694.70 × 3,408.28
  4. Step 4: Simplify right side
    13,796.52x = 70,533,332.12
  5. Step 5: Solve for x
    x = 70,533,332.12/13,796.52
  6. Step 6: Final answer
    x = 5,112.40

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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.