Home / 19,786.40-27,304.72-10,833.80

Finding the Fourth Proportional to 19,786.40, 27,304.72 and 10,833.80

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Solution

The fourth proportional to 19,786.40, 27,304.72 and 10,833.80 is: 14,950.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,786.40 : 27,304.72 = 10,833.80 : x
  2. Step 2: Convert to fraction form
    19,786.40/27,304.72 = 10,833.80/x
  3. Step 3: Cross multiply
    19,786.40x = 27,304.72 × 10,833.80
  4. Step 4: Simplify right side
    19,786.40x = 295,813,875.54
  5. Step 5: Solve for x
    x = 295,813,875.54/19,786.40
  6. Step 6: Final answer
    x = 14,950.36

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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.