Home / 22,181.74-30,611.18-12,110.60

Finding the Fourth Proportional to 22,181.74, 30,611.18 and 12,110.60

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Solution

The fourth proportional to 22,181.74, 30,611.18 and 12,110.60 is: 16,712.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,181.74 : 30,611.18 = 12,110.60 : x
  2. Step 2: Convert to fraction form
    22,181.74/30,611.18 = 12,110.60/x
  3. Step 3: Cross multiply
    22,181.74x = 30,611.18 × 12,110.60
  4. Step 4: Simplify right side
    22,181.74x = 370,719,756.51
  5. Step 5: Solve for x
    x = 370,719,756.51/22,181.74
  6. Step 6: Final answer
    x = 16,712.83

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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.