Home / 19,777.23-27,292.14-11,816.55

Finding the Fourth Proportional to 19,777.23, 27,292.14 and 11,816.55

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Solution

The fourth proportional to 19,777.23, 27,292.14 and 11,816.55 is: 16,306.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,777.23 : 27,292.14 = 11,816.55 : x
  2. Step 2: Convert to fraction form
    19,777.23/27,292.14 = 11,816.55/x
  3. Step 3: Cross multiply
    19,777.23x = 27,292.14 × 11,816.55
  4. Step 4: Simplify right side
    19,777.23x = 322,498,936.92
  5. Step 5: Solve for x
    x = 322,498,936.92/19,777.23
  6. Step 6: Final answer
    x = 16,306.58

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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.