Home / 12,033.90-18,050.67-4,242.78

Finding the Fourth Proportional to 12,033.90, 18,050.67 and 4,242.78

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Solution

The fourth proportional to 12,033.90, 18,050.67 and 4,242.78 is: 6,364.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,033.90 : 18,050.67 = 4,242.78 : x
  2. Step 2: Convert to fraction form
    12,033.90/18,050.67 = 4,242.78/x
  3. Step 3: Cross multiply
    12,033.90x = 18,050.67 × 4,242.78
  4. Step 4: Simplify right side
    12,033.90x = 76,585,021.66
  5. Step 5: Solve for x
    x = 76,585,021.66/12,033.90
  6. Step 6: Final answer
    x = 6,364.11

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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.