Home / 14,611.23-21,912.69-6,289.41

Finding the Fourth Proportional to 14,611.23, 21,912.69 and 6,289.41

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Solution

The fourth proportional to 14,611.23, 21,912.69 and 6,289.41 is: 9,432.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,611.23 : 21,912.69 = 6,289.41 : x
  2. Step 2: Convert to fraction form
    14,611.23/21,912.69 = 6,289.41/x
  3. Step 3: Cross multiply
    14,611.23x = 21,912.69 × 6,289.41
  4. Step 4: Simplify right side
    14,611.23x = 137,817,891.61
  5. Step 5: Solve for x
    x = 137,817,891.61/14,611.23
  6. Step 6: Final answer
    x = 9,432.33

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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.