Home / 19,690.33-27,173.33-11,192.81

Finding the Fourth Proportional to 19,690.33, 27,173.33 and 11,192.81

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Solution

The fourth proportional to 19,690.33, 27,173.33 and 11,192.81 is: 15,446.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.33 : 27,173.33 = 11,192.81 : x
  2. Step 2: Convert to fraction form
    19,690.33/27,173.33 = 11,192.81/x
  3. Step 3: Cross multiply
    19,690.33x = 27,173.33 × 11,192.81
  4. Step 4: Simplify right side
    19,690.33x = 304,145,727.93
  5. Step 5: Solve for x
    x = 304,145,727.93/19,690.33
  6. Step 6: Final answer
    x = 15,446.46

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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.