Home / 18,940.35-26,137.00-10,326.35

Finding the Fourth Proportional to 18,940.35, 26,137.00 and 10,326.35

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Solution

The fourth proportional to 18,940.35, 26,137.00 and 10,326.35 is: 14,249.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,940.35 : 26,137.00 = 10,326.35 : x
  2. Step 2: Convert to fraction form
    18,940.35/26,137.00 = 10,326.35/x
  3. Step 3: Cross multiply
    18,940.35x = 26,137.00 × 10,326.35
  4. Step 4: Simplify right side
    18,940.35x = 269,899,849.48
  5. Step 5: Solve for x
    x = 269,899,849.48/18,940.35
  6. Step 6: Final answer
    x = 14,249.99

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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.