Home / 19,786.20-27,305.09-10,834.53

Finding the Fourth Proportional to 19,786.20, 27,305.09 and 10,834.53

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Solution

The fourth proportional to 19,786.20, 27,305.09 and 10,834.53 is: 14,951.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.20 : 27,305.09 = 10,834.53 : x
  2. Step 2: Convert to fraction form
    19,786.20/27,305.09 = 10,834.53/x
  3. Step 3: Cross multiply
    19,786.20x = 27,305.09 × 10,834.53
  4. Step 4: Simplify right side
    19,786.20x = 295,837,762.59
  5. Step 5: Solve for x
    x = 295,837,762.59/19,786.20
  6. Step 6: Final answer
    x = 14,951.72

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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.