Home / 17,047.82-23,556.51-13,280.72

Finding the Fourth Proportional to 17,047.82, 23,556.51 and 13,280.72

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Solution

The fourth proportional to 17,047.82, 23,556.51 and 13,280.72 is: 18,351.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,047.82 : 23,556.51 = 13,280.72 : x
  2. Step 2: Convert to fraction form
    17,047.82/23,556.51 = 13,280.72/x
  3. Step 3: Cross multiply
    17,047.82x = 23,556.51 × 13,280.72
  4. Step 4: Simplify right side
    17,047.82x = 312,847,229.30
  5. Step 5: Solve for x
    x = 312,847,229.30/17,047.82
  6. Step 6: Final answer
    x = 18,351.16

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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.