Home / 26,570.87-39,828.97-11,786.75

Finding the Fourth Proportional to 26,570.87, 39,828.97 and 11,786.75

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Solution

The fourth proportional to 26,570.87, 39,828.97 and 11,786.75 is: 17,668.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,570.87 : 39,828.97 = 11,786.75 : x
  2. Step 2: Convert to fraction form
    26,570.87/39,828.97 = 11,786.75/x
  3. Step 3: Cross multiply
    26,570.87x = 39,828.97 × 11,786.75
  4. Step 4: Simplify right side
    26,570.87x = 469,454,053.21
  5. Step 5: Solve for x
    x = 469,454,053.21/26,570.87
  6. Step 6: Final answer
    x = 17,668.00

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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.