Home / 13,563.14-20,309.63-9,359.33

Finding the Fourth Proportional to 13,563.14, 20,309.63 and 9,359.33

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Solution

The fourth proportional to 13,563.14, 20,309.63 and 9,359.33 is: 14,014.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563.14 : 20,309.63 = 9,359.33 : x
  2. Step 2: Convert to fraction form
    13,563.14/20,309.63 = 9,359.33/x
  3. Step 3: Cross multiply
    13,563.14x = 20,309.63 × 9,359.33
  4. Step 4: Simplify right side
    13,563.14x = 190,084,381.00
  5. Step 5: Solve for x
    x = 190,084,381.00/13,563.14
  6. Step 6: Final answer
    x = 14,014.78

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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.