Home / 17,161.07-23,670.06-15,749.31

Finding the Fourth Proportional to 17,161.07, 23,670.06 and 15,749.31

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Solution

The fourth proportional to 17,161.07, 23,670.06 and 15,749.31 is: 21,722.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,161.07 : 23,670.06 = 15,749.31 : x
  2. Step 2: Convert to fraction form
    17,161.07/23,670.06 = 15,749.31/x
  3. Step 3: Cross multiply
    17,161.07x = 23,670.06 × 15,749.31
  4. Step 4: Simplify right side
    17,161.07x = 372,787,112.66
  5. Step 5: Solve for x
    x = 372,787,112.66/17,161.07
  6. Step 6: Final answer
    x = 21,722.84

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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.