Home / 18,989.24-26,212.41-16,996.23

Finding the Fourth Proportional to 18,989.24, 26,212.41 and 16,996.23

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Solution

The fourth proportional to 18,989.24, 26,212.41 and 16,996.23 is: 23,461.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,989.24 : 26,212.41 = 16,996.23 : x
  2. Step 2: Convert to fraction form
    18,989.24/26,212.41 = 16,996.23/x
  3. Step 3: Cross multiply
    18,989.24x = 26,212.41 × 16,996.23
  4. Step 4: Simplify right side
    18,989.24x = 445,512,149.21
  5. Step 5: Solve for x
    x = 445,512,149.21/18,989.24
  6. Step 6: Final answer
    x = 23,461.30

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Double scale
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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.