Home / 19,460.82-26,661.42-18,731.93

Finding the Fourth Proportional to 19,460.82, 26,661.42 and 18,731.93

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Solution

The fourth proportional to 19,460.82, 26,661.42 and 18,731.93 is: 25,662.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,460.82 : 26,661.42 = 18,731.93 : x
  2. Step 2: Convert to fraction form
    19,460.82/26,661.42 = 18,731.93/x
  3. Step 3: Cross multiply
    19,460.82x = 26,661.42 × 18,731.93
  4. Step 4: Simplify right side
    19,460.82x = 499,419,719.83
  5. Step 5: Solve for x
    x = 499,419,719.83/19,460.82
  6. Step 6: Final answer
    x = 25,662.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.