Home / 19,486.64-26,893.32-11,105.84

Finding the Fourth Proportional to 19,486.64, 26,893.32 and 11,105.84

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Solution

The fourth proportional to 19,486.64, 26,893.32 and 11,105.84 is: 15,327.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,486.64 : 26,893.32 = 11,105.84 : x
  2. Step 2: Convert to fraction form
    19,486.64/26,893.32 = 11,105.84/x
  3. Step 3: Cross multiply
    19,486.64x = 26,893.32 × 11,105.84
  4. Step 4: Simplify right side
    19,486.64x = 298,672,908.99
  5. Step 5: Solve for x
    x = 298,672,908.99/19,486.64
  6. Step 6: Final answer
    x = 15,327.06

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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.