Home / 19,850.80-27,393.98-10,898.44

Finding the Fourth Proportional to 19,850.80, 27,393.98 and 10,898.44

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Solution

The fourth proportional to 19,850.80, 27,393.98 and 10,898.44 is: 15,039.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,850.80 : 27,393.98 = 10,898.44 : x
  2. Step 2: Convert to fraction form
    19,850.80/27,393.98 = 10,898.44/x
  3. Step 3: Cross multiply
    19,850.80x = 27,393.98 × 10,898.44
  4. Step 4: Simplify right side
    19,850.80x = 298,551,647.39
  5. Step 5: Solve for x
    x = 298,551,647.39/19,850.80
  6. Step 6: Final answer
    x = 15,039.78

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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.