Home / 19,336.50-26,638.83-18,173.97

Finding the Fourth Proportional to 19,336.50, 26,638.83 and 18,173.97

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Solution

The fourth proportional to 19,336.50, 26,638.83 and 18,173.97 is: 25,037.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,336.50 : 26,638.83 = 18,173.97 : x
  2. Step 2: Convert to fraction form
    19,336.50/26,638.83 = 18,173.97/x
  3. Step 3: Cross multiply
    19,336.50x = 26,638.83 × 18,173.97
  4. Step 4: Simplify right side
    19,336.50x = 484,133,297.26
  5. Step 5: Solve for x
    x = 484,133,297.26/19,336.50
  6. Step 6: Final answer
    x = 25,037.28

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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.