Home / 22,662.92-31,278.56-18,880.09

Finding the Fourth Proportional to 22,662.92, 31,278.56 and 18,880.09

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Solution

The fourth proportional to 22,662.92, 31,278.56 and 18,880.09 is: 26,057.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,662.92 : 31,278.56 = 18,880.09 : x
  2. Step 2: Convert to fraction form
    22,662.92/31,278.56 = 18,880.09/x
  3. Step 3: Cross multiply
    22,662.92x = 31,278.56 × 18,880.09
  4. Step 4: Simplify right side
    22,662.92x = 590,541,855.27
  5. Step 5: Solve for x
    x = 590,541,855.27/22,662.92
  6. Step 6: Final answer
    x = 26,057.62

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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.