Home / 13,224.24-18,249.45-7,559.11

Finding the Fourth Proportional to 13,224.24, 18,249.45 and 7,559.11

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Solution

The fourth proportional to 13,224.24, 18,249.45 and 7,559.11 is: 10,431.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.24 : 18,249.45 = 7,559.11 : x
  2. Step 2: Convert to fraction form
    13,224.24/18,249.45 = 7,559.11/x
  3. Step 3: Cross multiply
    13,224.24x = 18,249.45 × 7,559.11
  4. Step 4: Simplify right side
    13,224.24x = 137,949,470.95
  5. Step 5: Solve for x
    x = 137,949,470.95/13,224.24
  6. Step 6: Final answer
    x = 10,431.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.