Home / 19,855.68-27,398.57-11,786.46

Finding the Fourth Proportional to 19,855.68, 27,398.57 and 11,786.46

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Solution

The fourth proportional to 19,855.68, 27,398.57 and 11,786.46 is: 16,263.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,855.68 : 27,398.57 = 11,786.46 : x
  2. Step 2: Convert to fraction form
    19,855.68/27,398.57 = 11,786.46/x
  3. Step 3: Cross multiply
    19,855.68x = 27,398.57 × 11,786.46
  4. Step 4: Simplify right side
    19,855.68x = 322,932,090.43
  5. Step 5: Solve for x
    x = 322,932,090.43/19,855.68
  6. Step 6: Final answer
    x = 16,263.97

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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.