Home / 13,791.84-20,675.52-5,996.40

Finding the Fourth Proportional to 13,791.84, 20,675.52 and 5,996.40

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Solution

The fourth proportional to 13,791.84, 20,675.52 and 5,996.40 is: 8,989.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,791.84 : 20,675.52 = 5,996.40 : x
  2. Step 2: Convert to fraction form
    13,791.84/20,675.52 = 5,996.40/x
  3. Step 3: Cross multiply
    13,791.84x = 20,675.52 × 5,996.40
  4. Step 4: Simplify right side
    13,791.84x = 123,978,688.13
  5. Step 5: Solve for x
    x = 123,978,688.13/13,791.84
  6. Step 6: Final answer
    x = 8,989.28

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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.