Home / 26,698.74-40,047.87-18,768.54

Finding the Fourth Proportional to 26,698.74, 40,047.87 and 18,768.54

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Solution

The fourth proportional to 26,698.74, 40,047.87 and 18,768.54 is: 28,152.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,698.74 : 40,047.87 = 18,768.54 : x
  2. Step 2: Convert to fraction form
    26,698.74/40,047.87 = 18,768.54/x
  3. Step 3: Cross multiply
    26,698.74x = 40,047.87 × 18,768.54
  4. Step 4: Simplify right side
    26,698.74x = 751,640,050.01
  5. Step 5: Solve for x
    x = 751,640,050.01/26,698.74
  6. Step 6: Final answer
    x = 28,152.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.