Home / 19,998.09-27,597.20-11,384.33

Finding the Fourth Proportional to 19,998.09, 27,597.20 and 11,384.33

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Solution

The fourth proportional to 19,998.09, 27,597.20 and 11,384.33 is: 15,710.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,998.09 : 27,597.20 = 11,384.33 : x
  2. Step 2: Convert to fraction form
    19,998.09/27,597.20 = 11,384.33/x
  3. Step 3: Cross multiply
    19,998.09x = 27,597.20 × 11,384.33
  4. Step 4: Simplify right side
    19,998.09x = 314,175,436.97
  5. Step 5: Solve for x
    x = 314,175,436.97/19,998.09
  6. Step 6: Final answer
    x = 15,710.27

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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.