Home / 19,805.01-27,330.92-11,849.12

Finding the Fourth Proportional to 19,805.01, 27,330.92 and 11,849.12

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Solution

The fourth proportional to 19,805.01, 27,330.92 and 11,849.12 is: 16,351.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,805.01 : 27,330.92 = 11,849.12 : x
  2. Step 2: Convert to fraction form
    19,805.01/27,330.92 = 11,849.12/x
  3. Step 3: Cross multiply
    19,805.01x = 27,330.92 × 11,849.12
  4. Step 4: Simplify right side
    19,805.01x = 323,847,154.89
  5. Step 5: Solve for x
    x = 323,847,154.89/19,805.01
  6. Step 6: Final answer
    x = 16,351.78

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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.