Home / 19,859.23-27,400.84-11,245.56

Finding the Fourth Proportional to 19,859.23, 27,400.84 and 11,245.56

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Solution

The fourth proportional to 19,859.23, 27,400.84 and 11,245.56 is: 15,516.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,859.23 : 27,400.84 = 11,245.56 : x
  2. Step 2: Convert to fraction form
    19,859.23/27,400.84 = 11,245.56/x
  3. Step 3: Cross multiply
    19,859.23x = 27,400.84 × 11,245.56
  4. Step 4: Simplify right side
    19,859.23x = 308,137,790.27
  5. Step 5: Solve for x
    x = 308,137,790.27/19,859.23
  6. Step 6: Final answer
    x = 15,516.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.