Home / 13,552.40-20,334.99-4,791.44

Finding the Fourth Proportional to 13,552.40, 20,334.99 and 4,791.44

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Solution

The fourth proportional to 13,552.40, 20,334.99 and 4,791.44 is: 7,189.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,552.40 : 20,334.99 = 4,791.44 : x
  2. Step 2: Convert to fraction form
    13,552.40/20,334.99 = 4,791.44/x
  3. Step 3: Cross multiply
    13,552.40x = 20,334.99 × 4,791.44
  4. Step 4: Simplify right side
    13,552.40x = 97,433,884.49
  5. Step 5: Solve for x
    x = 97,433,884.49/13,552.40
  6. Step 6: Final answer
    x = 7,189.42

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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.