Home / 19,698.90-27,183.76-11,201.37

Finding the Fourth Proportional to 19,698.90, 27,183.76 and 11,201.37

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Solution

The fourth proportional to 19,698.90, 27,183.76 and 11,201.37 is: 15,457.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,698.90 : 27,183.76 = 11,201.37 : x
  2. Step 2: Convert to fraction form
    19,698.90/27,183.76 = 11,201.37/x
  3. Step 3: Cross multiply
    19,698.90x = 27,183.76 × 11,201.37
  4. Step 4: Simplify right side
    19,698.90x = 304,495,353.75
  5. Step 5: Solve for x
    x = 304,495,353.75/19,698.90
  6. Step 6: Final answer
    x = 15,457.48

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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.