Home / 19,540.41-29,203.34-14,286.48

Finding the Fourth Proportional to 19,540.41, 29,203.34 and 14,286.48

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Solution

The fourth proportional to 19,540.41, 29,203.34 and 14,286.48 is: 21,351.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.41 : 29,203.34 = 14,286.48 : x
  2. Step 2: Convert to fraction form
    19,540.41/29,203.34 = 14,286.48/x
  3. Step 3: Cross multiply
    19,540.41x = 29,203.34 × 14,286.48
  4. Step 4: Simplify right side
    19,540.41x = 417,212,861.41
  5. Step 5: Solve for x
    x = 417,212,861.41/19,540.41
  6. Step 6: Final answer
    x = 21,351.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.