Home / 19,171.49-26,450.55-10,786.37

Finding the Fourth Proportional to 19,171.49, 26,450.55 and 10,786.37

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Solution

The fourth proportional to 19,171.49, 26,450.55 and 10,786.37 is: 14,881.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.49 : 26,450.55 = 10,786.37 : x
  2. Step 2: Convert to fraction form
    19,171.49/26,450.55 = 10,786.37/x
  3. Step 3: Cross multiply
    19,171.49x = 26,450.55 × 10,786.37
  4. Step 4: Simplify right side
    19,171.49x = 285,305,419.00
  5. Step 5: Solve for x
    x = 285,305,419.00/19,171.49
  6. Step 6: Final answer
    x = 14,881.76

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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.