Home / 19,738.84-27,239.44-10,786.18

Finding the Fourth Proportional to 19,738.84, 27,239.44 and 10,786.18

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Solution

The fourth proportional to 19,738.84, 27,239.44 and 10,786.18 is: 14,884.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,738.84 : 27,239.44 = 10,786.18 : x
  2. Step 2: Convert to fraction form
    19,738.84/27,239.44 = 10,786.18/x
  3. Step 3: Cross multiply
    19,738.84x = 27,239.44 × 10,786.18
  4. Step 4: Simplify right side
    19,738.84x = 293,809,479.17
  5. Step 5: Solve for x
    x = 293,809,479.17/19,738.84
  6. Step 6: Final answer
    x = 14,884.84

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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.