Home / 19,169.55-26,453.93-10,786.05

Finding the Fourth Proportional to 19,169.55, 26,453.93 and 10,786.05

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Solution

The fourth proportional to 19,169.55, 26,453.93 and 10,786.05 is: 14,884.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,169.55 : 26,453.93 = 10,786.05 : x
  2. Step 2: Convert to fraction form
    19,169.55/26,453.93 = 10,786.05/x
  3. Step 3: Cross multiply
    19,169.55x = 26,453.93 × 10,786.05
  4. Step 4: Simplify right side
    19,169.55x = 285,333,357.75
  5. Step 5: Solve for x
    x = 285,333,357.75/19,169.55
  6. Step 6: Final answer
    x = 14,884.72

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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.