Home / 23,119.82-31,905.46-13,048.68

Finding the Fourth Proportional to 23,119.82, 31,905.46 and 13,048.68

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Solution

The fourth proportional to 23,119.82, 31,905.46 and 13,048.68 is: 18,007.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,119.82 : 31,905.46 = 13,048.68 : x
  2. Step 2: Convert to fraction form
    23,119.82/31,905.46 = 13,048.68/x
  3. Step 3: Cross multiply
    23,119.82x = 31,905.46 × 13,048.68
  4. Step 4: Simplify right side
    23,119.82x = 416,324,137.79
  5. Step 5: Solve for x
    x = 416,324,137.79/23,119.82
  6. Step 6: Final answer
    x = 18,007.24

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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.