Home / 12,234.58-18,351.88-11,611.30

Finding the Fourth Proportional to 12,234.58, 18,351.88 and 11,611.30

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Solution

The fourth proportional to 12,234.58, 18,351.88 and 11,611.30 is: 17,416.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,234.58 : 18,351.88 = 11,611.30 : x
  2. Step 2: Convert to fraction form
    12,234.58/18,351.88 = 11,611.30/x
  3. Step 3: Cross multiply
    12,234.58x = 18,351.88 × 11,611.30
  4. Step 4: Simplify right side
    12,234.58x = 213,089,184.24
  5. Step 5: Solve for x
    x = 213,089,184.24/12,234.58
  6. Step 6: Final answer
    x = 17,416.96

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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.