Home / 13,467.66-20,182.75-6,879.93

Finding the Fourth Proportional to 13,467.66, 20,182.75 and 6,879.93

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Solution

The fourth proportional to 13,467.66, 20,182.75 and 6,879.93 is: 10,310.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,467.66 : 20,182.75 = 6,879.93 : x
  2. Step 2: Convert to fraction form
    13,467.66/20,182.75 = 6,879.93/x
  3. Step 3: Cross multiply
    13,467.66x = 20,182.75 × 6,879.93
  4. Step 4: Simplify right side
    13,467.66x = 138,855,907.21
  5. Step 5: Solve for x
    x = 138,855,907.21/13,467.66
  6. Step 6: Final answer
    x = 10,310.32

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1.5x scale

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.