Home / 15,112.20-22,668.30-4,020.60

Finding the Fourth Proportional to 15,112.20, 22,668.30 and 4,020.60

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Solution

The fourth proportional to 15,112.20, 22,668.30 and 4,020.60 is: 6,030.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,112.20 : 22,668.30 = 4,020.60 : x
  2. Step 2: Convert to fraction form
    15,112.20/22,668.30 = 4,020.60/x
  3. Step 3: Cross multiply
    15,112.20x = 22,668.30 × 4,020.60
  4. Step 4: Simplify right side
    15,112.20x = 91,140,166.98
  5. Step 5: Solve for x
    x = 91,140,166.98/15,112.20
  6. Step 6: Final answer
    x = 6,030.90

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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.