Home / 19,171.35-26,455.82-10,786.23

Finding the Fourth Proportional to 19,171.35, 26,455.82 and 10,786.23

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Solution

The fourth proportional to 19,171.35, 26,455.82 and 10,786.23 is: 14,884.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,171.35 : 26,455.82 = 10,786.23 : x
  2. Step 2: Convert to fraction form
    19,171.35/26,455.82 = 10,786.23/x
  3. Step 3: Cross multiply
    19,171.35x = 26,455.82 × 10,786.23
  4. Step 4: Simplify right side
    19,171.35x = 285,358,505.43
  5. Step 5: Solve for x
    x = 285,358,505.43/19,171.35
  6. Step 6: Final answer
    x = 14,884.63

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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.