Home / 20,019.74-27,609.35-16,611.35

Finding the Fourth Proportional to 20,019.74, 27,609.35 and 16,611.35

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Solution

The fourth proportional to 20,019.74, 27,609.35 and 16,611.35 is: 22,908.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019.74 : 27,609.35 = 16,611.35 : x
  2. Step 2: Convert to fraction form
    20,019.74/27,609.35 = 16,611.35/x
  3. Step 3: Cross multiply
    20,019.74x = 27,609.35 × 16,611.35
  4. Step 4: Simplify right side
    20,019.74x = 458,628,355.02
  5. Step 5: Solve for x
    x = 458,628,355.02/20,019.74
  6. Step 6: Final answer
    x = 22,908.81

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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.