Home / 22,065.10-30,449.74-11,993.36

Finding the Fourth Proportional to 22,065.10, 30,449.74 and 11,993.36

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Solution

The fourth proportional to 22,065.10, 30,449.74 and 11,993.36 is: 16,550.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,065.10 : 30,449.74 = 11,993.36 : x
  2. Step 2: Convert to fraction form
    22,065.10/30,449.74 = 11,993.36/x
  3. Step 3: Cross multiply
    22,065.10x = 30,449.74 × 11,993.36
  4. Step 4: Simplify right side
    22,065.10x = 365,194,693.73
  5. Step 5: Solve for x
    x = 365,194,693.73/22,065.10
  6. Step 6: Final answer
    x = 16,550.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.