Home / 19,768.55-27,286.94-13,060.13

Finding the Fourth Proportional to 19,768.55, 27,286.94 and 13,060.13

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Solution

The fourth proportional to 19,768.55, 27,286.94 and 13,060.13 is: 18,027.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768.55 : 27,286.94 = 13,060.13 : x
  2. Step 2: Convert to fraction form
    19,768.55/27,286.94 = 13,060.13/x
  3. Step 3: Cross multiply
    19,768.55x = 27,286.94 × 13,060.13
  4. Step 4: Simplify right side
    19,768.55x = 356,370,879.92
  5. Step 5: Solve for x
    x = 356,370,879.92/19,768.55
  6. Step 6: Final answer
    x = 18,027.17

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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.