Home / 13,372.27-18,469.35-10,692.74

Finding the Fourth Proportional to 13,372.27, 18,469.35 and 10,692.74

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Solution

The fourth proportional to 13,372.27, 18,469.35 and 10,692.74 is: 14,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,372.27 : 18,469.35 = 10,692.74 : x
  2. Step 2: Convert to fraction form
    13,372.27/18,469.35 = 10,692.74/x
  3. Step 3: Cross multiply
    13,372.27x = 18,469.35 × 10,692.74
  4. Step 4: Simplify right side
    13,372.27x = 197,488,003.69
  5. Step 5: Solve for x
    x = 197,488,003.69/13,372.27
  6. Step 6: Final answer
    x = 14,768.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.