Home / 19,808.83-27,335.37-11,855.44

Finding the Fourth Proportional to 19,808.83, 27,335.37 and 11,855.44

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Solution

The fourth proportional to 19,808.83, 27,335.37 and 11,855.44 is: 16,360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,808.83 : 27,335.37 = 11,855.44 : x
  2. Step 2: Convert to fraction form
    19,808.83/27,335.37 = 11,855.44/x
  3. Step 3: Cross multiply
    19,808.83x = 27,335.37 × 11,855.44
  4. Step 4: Simplify right side
    19,808.83x = 324,072,838.91
  5. Step 5: Solve for x
    x = 324,072,838.91/19,808.83
  6. Step 6: Final answer
    x = 16,360.02

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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.