Home / 34,416.32-51,611.20-12,225.60

Finding the Fourth Proportional to 34,416.32, 51,611.20 and 12,225.60

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Solution

The fourth proportional to 34,416.32, 51,611.20 and 12,225.60 is: 18,333.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,416.32 : 51,611.20 = 12,225.60 : x
  2. Step 2: Convert to fraction form
    34,416.32/51,611.20 = 12,225.60/x
  3. Step 3: Cross multiply
    34,416.32x = 51,611.20 × 12,225.60
  4. Step 4: Simplify right side
    34,416.32x = 630,977,886.72
  5. Step 5: Solve for x
    x = 630,977,886.72/34,416.32
  6. Step 6: Final answer
    x = 18,333.68

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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.