Home / 19,850.71-27,394.41-10,898.59

Finding the Fourth Proportional to 19,850.71, 27,394.41 and 10,898.59

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Solution

The fourth proportional to 19,850.71, 27,394.41 and 10,898.59 is: 15,040.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,850.71 : 27,394.41 = 10,898.59 : x
  2. Step 2: Convert to fraction form
    19,850.71/27,394.41 = 10,898.59/x
  3. Step 3: Cross multiply
    19,850.71x = 27,394.41 × 10,898.59
  4. Step 4: Simplify right side
    19,850.71x = 298,560,442.88
  5. Step 5: Solve for x
    x = 298,560,442.88/19,850.71
  6. Step 6: Final answer
    x = 15,040.29

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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.