Home / 19,833.80-27,369.25-10,881.09

Finding the Fourth Proportional to 19,833.80, 27,369.25 and 10,881.09

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Solution

The fourth proportional to 19,833.80, 27,369.25 and 10,881.09 is: 15,015.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,833.80 : 27,369.25 = 10,881.09 : x
  2. Step 2: Convert to fraction form
    19,833.80/27,369.25 = 10,881.09/x
  3. Step 3: Cross multiply
    19,833.80x = 27,369.25 × 10,881.09
  4. Step 4: Simplify right side
    19,833.80x = 297,807,245.28
  5. Step 5: Solve for x
    x = 297,807,245.28/19,833.80
  6. Step 6: Final answer
    x = 15,015.14

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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.