Home / 19,812.66-27,342.33-11,853.36

Finding the Fourth Proportional to 19,812.66, 27,342.33 and 11,853.36

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Solution

The fourth proportional to 19,812.66, 27,342.33 and 11,853.36 is: 16,358.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,812.66 : 27,342.33 = 11,853.36 : x
  2. Step 2: Convert to fraction form
    19,812.66/27,342.33 = 11,853.36/x
  3. Step 3: Cross multiply
    19,812.66x = 27,342.33 × 11,853.36
  4. Step 4: Simplify right side
    19,812.66x = 324,098,480.73
  5. Step 5: Solve for x
    x = 324,098,480.73/19,812.66
  6. Step 6: Final answer
    x = 16,358.15

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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.