Home / 19,767.16-27,278.94-13,481.56

Finding the Fourth Proportional to 19,767.16, 27,278.94 and 13,481.56

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Solution

The fourth proportional to 19,767.16, 27,278.94 and 13,481.56 is: 18,604.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,767.16 : 27,278.94 = 13,481.56 : x
  2. Step 2: Convert to fraction form
    19,767.16/27,278.94 = 13,481.56/x
  3. Step 3: Cross multiply
    19,767.16x = 27,278.94 × 13,481.56
  4. Step 4: Simplify right side
    19,767.16x = 367,762,666.35
  5. Step 5: Solve for x
    x = 367,762,666.35/19,767.16
  6. Step 6: Final answer
    x = 18,604.73

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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.