Home / 12,015.93-18,025.61-3,696.63

Finding the Fourth Proportional to 12,015.93, 18,025.61 and 3,696.63

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Solution

The fourth proportional to 12,015.93, 18,025.61 and 3,696.63 is: 5,545.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015.93 : 18,025.61 = 3,696.63 : x
  2. Step 2: Convert to fraction form
    12,015.93/18,025.61 = 3,696.63/x
  3. Step 3: Cross multiply
    12,015.93x = 18,025.61 × 3,696.63
  4. Step 4: Simplify right side
    12,015.93x = 66,633,992.21
  5. Step 5: Solve for x
    x = 66,633,992.21/12,015.93
  6. Step 6: Final answer
    x = 5,545.47

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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.