Home / 22,016.46-30,378.04-13,066.87

Finding the Fourth Proportional to 22,016.46, 30,378.04 and 13,066.87

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Solution

The fourth proportional to 22,016.46, 30,378.04 and 13,066.87 is: 18,029.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,016.46 : 30,378.04 = 13,066.87 : x
  2. Step 2: Convert to fraction form
    22,016.46/30,378.04 = 13,066.87/x
  3. Step 3: Cross multiply
    22,016.46x = 30,378.04 × 13,066.87
  4. Step 4: Simplify right side
    22,016.46x = 396,945,847.88
  5. Step 5: Solve for x
    x = 396,945,847.88/22,016.46
  6. Step 6: Final answer
    x = 18,029.51

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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.