Home / 13,896.77-20,845.36-4,536.75

Finding the Fourth Proportional to 13,896.77, 20,845.36 and 4,536.75

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Solution

The fourth proportional to 13,896.77, 20,845.36 and 4,536.75 is: 6,805.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,896.77 : 20,845.36 = 4,536.75 : x
  2. Step 2: Convert to fraction form
    13,896.77/20,845.36 = 4,536.75/x
  3. Step 3: Cross multiply
    13,896.77x = 20,845.36 × 4,536.75
  4. Step 4: Simplify right side
    13,896.77x = 94,570,164.30
  5. Step 5: Solve for x
    x = 94,570,164.30/13,896.77
  6. Step 6: Final answer
    x = 6,805.19

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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.