Home / 13,544.21-18,714.44-11,182.25

Finding the Fourth Proportional to 13,544.21, 18,714.44 and 11,182.25

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Solution

The fourth proportional to 13,544.21, 18,714.44 and 11,182.25 is: 15,450.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.21 : 18,714.44 = 11,182.25 : x
  2. Step 2: Convert to fraction form
    13,544.21/18,714.44 = 11,182.25/x
  3. Step 3: Cross multiply
    13,544.21x = 18,714.44 × 11,182.25
  4. Step 4: Simplify right side
    13,544.21x = 209,269,621.43
  5. Step 5: Solve for x
    x = 209,269,621.43/13,544.21
  6. Step 6: Final answer
    x = 15,450.85

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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.