Home / 12,015.09-18,024.35-3,695.80

Finding the Fourth Proportional to 12,015.09, 18,024.35 and 3,695.80

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Solution

The fourth proportional to 12,015.09, 18,024.35 and 3,695.80 is: 5,544.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015.09 : 18,024.35 = 3,695.80 : x
  2. Step 2: Convert to fraction form
    12,015.09/18,024.35 = 3,695.80/x
  3. Step 3: Cross multiply
    12,015.09x = 18,024.35 × 3,695.80
  4. Step 4: Simplify right side
    12,015.09x = 66,614,392.73
  5. Step 5: Solve for x
    x = 66,614,392.73/12,015.09
  6. Step 6: Final answer
    x = 5,544.23

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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.