Home / 17,789.21-26,625.89-13,107.35

Finding the Fourth Proportional to 17,789.21, 26,625.89 and 13,107.35

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Solution

The fourth proportional to 17,789.21, 26,625.89 and 13,107.35 is: 19,618.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,789.21 : 26,625.89 = 13,107.35 : x
  2. Step 2: Convert to fraction form
    17,789.21/26,625.89 = 13,107.35/x
  3. Step 3: Cross multiply
    17,789.21x = 26,625.89 × 13,107.35
  4. Step 4: Simplify right side
    17,789.21x = 348,994,660.63
  5. Step 5: Solve for x
    x = 348,994,660.63/17,789.21
  6. Step 6: Final answer
    x = 19,618.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.