Home / 13,182.44-18,181.52-8,467.16

Finding the Fourth Proportional to 13,182.44, 18,181.52 and 8,467.16

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Solution

The fourth proportional to 13,182.44, 18,181.52 and 8,467.16 is: 11,678.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,182.44 : 18,181.52 = 8,467.16 : x
  2. Step 2: Convert to fraction form
    13,182.44/18,181.52 = 8,467.16/x
  3. Step 3: Cross multiply
    13,182.44x = 18,181.52 × 8,467.16
  4. Step 4: Simplify right side
    13,182.44x = 153,945,838.88
  5. Step 5: Solve for x
    x = 153,945,838.88/13,182.44
  6. Step 6: Final answer
    x = 11,678.10

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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.