Home / 19,786.97-27,305.98-10,834.40

Finding the Fourth Proportional to 19,786.97, 27,305.98 and 10,834.40

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Solution

The fourth proportional to 19,786.97, 27,305.98 and 10,834.40 is: 14,951.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.97 : 27,305.98 = 10,834.40 : x
  2. Step 2: Convert to fraction form
    19,786.97/27,305.98 = 10,834.40/x
  3. Step 3: Cross multiply
    19,786.97x = 27,305.98 × 10,834.40
  4. Step 4: Simplify right side
    19,786.97x = 295,843,950.89
  5. Step 5: Solve for x
    x = 295,843,950.89/19,786.97
  6. Step 6: Final answer
    x = 14,951.45

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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.