Home / 18,017.03-27,025.97-4,690.55

Finding the Fourth Proportional to 18,017.03, 27,025.97 and 4,690.55

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Solution

The fourth proportional to 18,017.03, 27,025.97 and 4,690.55 is: 7,035.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017.03 : 27,025.97 = 4,690.55 : x
  2. Step 2: Convert to fraction form
    18,017.03/27,025.97 = 4,690.55/x
  3. Step 3: Cross multiply
    18,017.03x = 27,025.97 × 4,690.55
  4. Step 4: Simplify right side
    18,017.03x = 126,766,707.70
  5. Step 5: Solve for x
    x = 126,766,707.70/18,017.03
  6. Step 6: Final answer
    x = 7,035.94

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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.