Home / 26,290.70-39,436.38-7,571.03

Finding the Fourth Proportional to 26,290.70, 39,436.38 and 7,571.03

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Solution

The fourth proportional to 26,290.70, 39,436.38 and 7,571.03 is: 11,356.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,290.70 : 39,436.38 = 7,571.03 : x
  2. Step 2: Convert to fraction form
    26,290.70/39,436.38 = 7,571.03/x
  3. Step 3: Cross multiply
    26,290.70x = 39,436.38 × 7,571.03
  4. Step 4: Simplify right side
    26,290.70x = 298,574,114.66
  5. Step 5: Solve for x
    x = 298,574,114.66/26,290.70
  6. Step 6: Final answer
    x = 11,356.65

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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.