Home / 17,351.38-23,985.27-15,481.50

Finding the Fourth Proportional to 17,351.38, 23,985.27 and 15,481.50

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Solution

The fourth proportional to 17,351.38, 23,985.27 and 15,481.50 is: 21,400.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,351.38 : 23,985.27 = 15,481.50 : x
  2. Step 2: Convert to fraction form
    17,351.38/23,985.27 = 15,481.50/x
  3. Step 3: Cross multiply
    17,351.38x = 23,985.27 × 15,481.50
  4. Step 4: Simplify right side
    17,351.38x = 371,327,867.56
  5. Step 5: Solve for x
    x = 371,327,867.56/17,351.38
  6. Step 6: Final answer
    x = 21,400.48

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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.