Home / 36,820.98-55,231.38-11,860.56

Finding the Fourth Proportional to 36,820.98, 55,231.38 and 11,860.56

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Solution

The fourth proportional to 36,820.98, 55,231.38 and 11,860.56 is: 17,790.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,820.98 : 55,231.38 = 11,860.56 : x
  2. Step 2: Convert to fraction form
    36,820.98/55,231.38 = 11,860.56/x
  3. Step 3: Cross multiply
    36,820.98x = 55,231.38 × 11,860.56
  4. Step 4: Simplify right side
    36,820.98x = 655,075,096.37
  5. Step 5: Solve for x
    x = 655,075,096.37/36,820.98
  6. Step 6: Final answer
    x = 17,790.81

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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.