Home / 26,517.76-39,782.97-7,798.41

Finding the Fourth Proportional to 26,517.76, 39,782.97 and 7,798.41

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Solution

The fourth proportional to 26,517.76, 39,782.97 and 7,798.41 is: 11,699.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,517.76 : 39,782.97 = 7,798.41 : x
  2. Step 2: Convert to fraction form
    26,517.76/39,782.97 = 7,798.41/x
  3. Step 3: Cross multiply
    26,517.76x = 39,782.97 × 7,798.41
  4. Step 4: Simplify right side
    26,517.76x = 310,243,872.09
  5. Step 5: Solve for x
    x = 310,243,872.09/26,517.76
  6. Step 6: Final answer
    x = 11,699.48

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1.5x scale

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.