Home / 23,082.87-34,611.99-11,978.37

Finding the Fourth Proportional to 23,082.87, 34,611.99 and 11,978.37

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Solution

The fourth proportional to 23,082.87, 34,611.99 and 11,978.37 is: 17,961.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,082.87 : 34,611.99 = 11,978.37 : x
  2. Step 2: Convert to fraction form
    23,082.87/34,611.99 = 11,978.37/x
  3. Step 3: Cross multiply
    23,082.87x = 34,611.99 × 11,978.37
  4. Step 4: Simplify right side
    23,082.87x = 414,595,222.66
  5. Step 5: Solve for x
    x = 414,595,222.66/23,082.87
  6. Step 6: Final answer
    x = 17,961.16

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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.