Home / 13,840.82-20,767.33-7,265.49

Finding the Fourth Proportional to 13,840.82, 20,767.33 and 7,265.49

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Solution

The fourth proportional to 13,840.82, 20,767.33 and 7,265.49 is: 10,901.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840.82 : 20,767.33 = 7,265.49 : x
  2. Step 2: Convert to fraction form
    13,840.82/20,767.33 = 7,265.49/x
  3. Step 3: Cross multiply
    13,840.82x = 20,767.33 × 7,265.49
  4. Step 4: Simplify right side
    13,840.82x = 150,884,862.20
  5. Step 5: Solve for x
    x = 150,884,862.20/13,840.82
  6. Step 6: Final answer
    x = 10,901.44

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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.