Home / 18,913.57-26,044.38-18,493.97

Finding the Fourth Proportional to 18,913.57, 26,044.38 and 18,493.97

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Solution

The fourth proportional to 18,913.57, 26,044.38 and 18,493.97 is: 25,466.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,913.57 : 26,044.38 = 18,493.97 : x
  2. Step 2: Convert to fraction form
    18,913.57/26,044.38 = 18,493.97/x
  3. Step 3: Cross multiply
    18,913.57x = 26,044.38 × 18,493.97
  4. Step 4: Simplify right side
    18,913.57x = 481,663,982.39
  5. Step 5: Solve for x
    x = 481,663,982.39/18,913.57
  6. Step 6: Final answer
    x = 25,466.58

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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.