Home / 22,467.78-30,971.36-18,481.97

Finding the Fourth Proportional to 22,467.78, 30,971.36 and 18,481.97

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Solution

The fourth proportional to 22,467.78, 30,971.36 and 18,481.97 is: 25,477.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,467.78 : 30,971.36 = 18,481.97 : x
  2. Step 2: Convert to fraction form
    22,467.78/30,971.36 = 18,481.97/x
  3. Step 3: Cross multiply
    22,467.78x = 30,971.36 × 18,481.97
  4. Step 4: Simplify right side
    22,467.78x = 572,411,870.01
  5. Step 5: Solve for x
    x = 572,411,870.01/22,467.78
  6. Step 6: Final answer
    x = 25,477.01

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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.