Home / 15,012.01-20,716.26-8,297.49

Finding the Fourth Proportional to 15,012.01, 20,716.26 and 8,297.49

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Solution

The fourth proportional to 15,012.01, 20,716.26 and 8,297.49 is: 11,450.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,012.01 : 20,716.26 = 8,297.49 : x
  2. Step 2: Convert to fraction form
    15,012.01/20,716.26 = 8,297.49/x
  3. Step 3: Cross multiply
    15,012.01x = 20,716.26 × 8,297.49
  4. Step 4: Simplify right side
    15,012.01x = 171,892,890.23
  5. Step 5: Solve for x
    x = 171,892,890.23/15,012.01
  6. Step 6: Final answer
    x = 11,450.36

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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.