Home / 25,942.80-38,914.20-16,611.60

Finding the Fourth Proportional to 25,942.80, 38,914.20 and 16,611.60

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Solution

The fourth proportional to 25,942.80, 38,914.20 and 16,611.60 is: 24,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,942.80 : 38,914.20 = 16,611.60 : x
  2. Step 2: Convert to fraction form
    25,942.80/38,914.20 = 16,611.60/x
  3. Step 3: Cross multiply
    25,942.80x = 38,914.20 × 16,611.60
  4. Step 4: Simplify right side
    25,942.80x = 646,427,124.72
  5. Step 5: Solve for x
    x = 646,427,124.72/25,942.80
  6. Step 6: Final answer
    x = 24,917.40

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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.