Home / 19,418.97-26,799.60-11,866.74

Finding the Fourth Proportional to 19,418.97, 26,799.60 and 11,866.74

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Solution

The fourth proportional to 19,418.97, 26,799.60 and 11,866.74 is: 16,376.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,418.97 : 26,799.60 = 11,866.74 : x
  2. Step 2: Convert to fraction form
    19,418.97/26,799.60 = 11,866.74/x
  3. Step 3: Cross multiply
    19,418.97x = 26,799.60 × 11,866.74
  4. Step 4: Simplify right side
    19,418.97x = 318,023,885.30
  5. Step 5: Solve for x
    x = 318,023,885.30/19,418.97
  6. Step 6: Final answer
    x = 16,376.97

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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.