Home / 19,481.83-26,877.54-11,922.10

Finding the Fourth Proportional to 19,481.83, 26,877.54 and 11,922.10

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Solution

The fourth proportional to 19,481.83, 26,877.54 and 11,922.10 is: 16,447.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,481.83 : 26,877.54 = 11,922.10 : x
  2. Step 2: Convert to fraction form
    19,481.83/26,877.54 = 11,922.10/x
  3. Step 3: Cross multiply
    19,481.83x = 26,877.54 × 11,922.10
  4. Step 4: Simplify right side
    19,481.83x = 320,436,719.63
  5. Step 5: Solve for x
    x = 320,436,719.63/19,481.83
  6. Step 6: Final answer
    x = 16,447.98

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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.