Home / 13,452.24-18,551.07-8,976.18

Finding the Fourth Proportional to 13,452.24, 18,551.07 and 8,976.18

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Solution

The fourth proportional to 13,452.24, 18,551.07 and 8,976.18 is: 12,378.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452.24 : 18,551.07 = 8,976.18 : x
  2. Step 2: Convert to fraction form
    13,452.24/18,551.07 = 8,976.18/x
  3. Step 3: Cross multiply
    13,452.24x = 18,551.07 × 8,976.18
  4. Step 4: Simplify right side
    13,452.24x = 166,517,743.51
  5. Step 5: Solve for x
    x = 166,517,743.51/13,452.24
  6. Step 6: Final answer
    x = 12,378.44

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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.