Home / 12,020.35-18,033.20-3,701.11

Finding the Fourth Proportional to 12,020.35, 18,033.20 and 3,701.11

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Solution

The fourth proportional to 12,020.35, 18,033.20 and 3,701.11 is: 5,552.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020.35 : 18,033.20 = 3,701.11 : x
  2. Step 2: Convert to fraction form
    12,020.35/18,033.20 = 3,701.11/x
  3. Step 3: Cross multiply
    12,020.35x = 18,033.20 × 3,701.11
  4. Step 4: Simplify right side
    12,020.35x = 66,742,856.85
  5. Step 5: Solve for x
    x = 66,742,856.85/12,020.35
  6. Step 6: Final answer
    x = 5,552.49

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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.