Home / 21,611.50-32,418.30-10,504.96

Finding the Fourth Proportional to 21,611.50, 32,418.30 and 10,504.96

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Solution

The fourth proportional to 21,611.50, 32,418.30 and 10,504.96 is: 15,757.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,611.50 : 32,418.30 = 10,504.96 : x
  2. Step 2: Convert to fraction form
    21,611.50/32,418.30 = 10,504.96/x
  3. Step 3: Cross multiply
    21,611.50x = 32,418.30 × 10,504.96
  4. Step 4: Simplify right side
    21,611.50x = 340,552,944.77
  5. Step 5: Solve for x
    x = 340,552,944.77/21,611.50
  6. Step 6: Final answer
    x = 15,757.95

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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.