Home / 19,986.28-27,581.06-11,033.80

Finding the Fourth Proportional to 19,986.28, 27,581.06 and 11,033.80

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Solution

The fourth proportional to 19,986.28, 27,581.06 and 11,033.80 is: 15,226.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986.28 : 27,581.06 = 11,033.80 : x
  2. Step 2: Convert to fraction form
    19,986.28/27,581.06 = 11,033.80/x
  3. Step 3: Cross multiply
    19,986.28x = 27,581.06 × 11,033.80
  4. Step 4: Simplify right side
    19,986.28x = 304,323,858.46
  5. Step 5: Solve for x
    x = 304,323,858.46/19,986.28
  6. Step 6: Final answer
    x = 15,226.64

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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.