Home / 19,858.34-27,404.70-10,906.03

Finding the Fourth Proportional to 19,858.34, 27,404.70 and 10,906.03

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Solution

The fourth proportional to 19,858.34, 27,404.70 and 10,906.03 is: 15,050.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,858.34 : 27,404.70 = 10,906.03 : x
  2. Step 2: Convert to fraction form
    19,858.34/27,404.70 = 10,906.03/x
  3. Step 3: Cross multiply
    19,858.34x = 27,404.70 × 10,906.03
  4. Step 4: Simplify right side
    19,858.34x = 298,876,535.05
  5. Step 5: Solve for x
    x = 298,876,535.05/19,858.34
  6. Step 6: Final answer
    x = 15,050.43

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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.