Home / 12,015.18-18,024.49-3,695.89

Finding the Fourth Proportional to 12,015.18, 18,024.49 and 3,695.89

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Solution

The fourth proportional to 12,015.18, 18,024.49 and 3,695.89 is: 5,544.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,015.18 : 18,024.49 = 3,695.89 : x
  2. Step 2: Convert to fraction form
    12,015.18/18,024.49 = 3,695.89/x
  3. Step 3: Cross multiply
    12,015.18x = 18,024.49 × 3,695.89
  4. Step 4: Simplify right side
    12,015.18x = 66,616,532.35
  5. Step 5: Solve for x
    x = 66,616,532.35/12,015.18
  6. Step 6: Final answer
    x = 5,544.37

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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.