Home / 26,851.35-40,273.92-7,131.45

Finding the Fourth Proportional to 26,851.35, 40,273.92 and 7,131.45

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Solution

The fourth proportional to 26,851.35, 40,273.92 and 7,131.45 is: 10,696.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,851.35 : 40,273.92 = 7,131.45 : x
  2. Step 2: Convert to fraction form
    26,851.35/40,273.92 = 7,131.45/x
  3. Step 3: Cross multiply
    26,851.35x = 40,273.92 × 7,131.45
  4. Step 4: Simplify right side
    26,851.35x = 287,211,446.78
  5. Step 5: Solve for x
    x = 287,211,446.78/26,851.35
  6. Step 6: Final answer
    x = 10,696.35

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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.