Home / 13,563.12-20,334.24-6,539.52

Finding the Fourth Proportional to 13,563.12, 20,334.24 and 6,539.52

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Solution

The fourth proportional to 13,563.12, 20,334.24 and 6,539.52 is: 9,804.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563.12 : 20,334.24 = 6,539.52 : x
  2. Step 2: Convert to fraction form
    13,563.12/20,334.24 = 6,539.52/x
  3. Step 3: Cross multiply
    13,563.12x = 20,334.24 × 6,539.52
  4. Step 4: Simplify right side
    13,563.12x = 132,976,169.16
  5. Step 5: Solve for x
    x = 132,976,169.16/13,563.12
  6. Step 6: Final answer
    x = 9,804.25

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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.