Home / 18,455.26-25,467.36-10,388.44

Finding the Fourth Proportional to 18,455.26, 25,467.36 and 10,388.44

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Solution

The fourth proportional to 18,455.26, 25,467.36 and 10,388.44 is: 14,335.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,455.26 : 25,467.36 = 10,388.44 : x
  2. Step 2: Convert to fraction form
    18,455.26/25,467.36 = 10,388.44/x
  3. Step 3: Cross multiply
    18,455.26x = 25,467.36 × 10,388.44
  4. Step 4: Simplify right side
    18,455.26x = 264,566,141.32
  5. Step 5: Solve for x
    x = 264,566,141.32/18,455.26
  6. Step 6: Final answer
    x = 14,335.54

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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.