Home / 19,786.48-27,305.36-10,834.56

Finding the Fourth Proportional to 19,786.48, 27,305.36 and 10,834.56

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Solution

The fourth proportional to 19,786.48, 27,305.36 and 10,834.56 is: 14,951.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.48 : 27,305.36 = 10,834.56 : x
  2. Step 2: Convert to fraction form
    19,786.48/27,305.36 = 10,834.56/x
  3. Step 3: Cross multiply
    19,786.48x = 27,305.36 × 10,834.56
  4. Step 4: Simplify right side
    19,786.48x = 295,841,561.24
  5. Step 5: Solve for x
    x = 295,841,561.24/19,786.48
  6. Step 6: Final answer
    x = 14,951.70

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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.