Home / 12,020.22-18,033.03-3,700.98

Finding the Fourth Proportional to 12,020.22, 18,033.03 and 3,700.98

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Solution

The fourth proportional to 12,020.22, 18,033.03 and 3,700.98 is: 5,552.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.22 : 18,033.03 = 3,700.98 : x
  2. Step 2: Convert to fraction form
    12,020.22/18,033.03 = 3,700.98/x
  3. Step 3: Cross multiply
    12,020.22x = 18,033.03 × 3,700.98
  4. Step 4: Simplify right side
    12,020.22x = 66,739,883.37
  5. Step 5: Solve for x
    x = 66,739,883.37/12,020.22
  6. Step 6: Final answer
    x = 5,552.30

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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.