Home / 19,895.78-27,456.62-10,944.06

Finding the Fourth Proportional to 19,895.78, 27,456.62 and 10,944.06

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Solution

The fourth proportional to 19,895.78, 27,456.62 and 10,944.06 is: 15,103.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,895.78 : 27,456.62 = 10,944.06 : x
  2. Step 2: Convert to fraction form
    19,895.78/27,456.62 = 10,944.06/x
  3. Step 3: Cross multiply
    19,895.78x = 27,456.62 × 10,944.06
  4. Step 4: Simplify right side
    19,895.78x = 300,486,841.96
  5. Step 5: Solve for x
    x = 300,486,841.96/19,895.78
  6. Step 6: Final answer
    x = 15,103.05

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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.