Home / 13,563.49-20,355.65-6,069.37

Finding the Fourth Proportional to 13,563.49, 20,355.65 and 6,069.37

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Solution

The fourth proportional to 13,563.49, 20,355.65 and 6,069.37 is: 9,108.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563.49 : 20,355.65 = 6,069.37 : x
  2. Step 2: Convert to fraction form
    13,563.49/20,355.65 = 6,069.37/x
  3. Step 3: Cross multiply
    13,563.49x = 20,355.65 × 6,069.37
  4. Step 4: Simplify right side
    13,563.49x = 123,545,839.32
  5. Step 5: Solve for x
    x = 123,545,839.32/13,563.49
  6. Step 6: Final answer
    x = 9,108.71

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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.