Home / 19,986.25-27,581.03-11,033.76

Finding the Fourth Proportional to 19,986.25, 27,581.03 and 11,033.76

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Solution

The fourth proportional to 19,986.25, 27,581.03 and 11,033.76 is: 15,226.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986.25 : 27,581.03 = 11,033.76 : x
  2. Step 2: Convert to fraction form
    19,986.25/27,581.03 = 11,033.76/x
  3. Step 3: Cross multiply
    19,986.25x = 27,581.03 × 11,033.76
  4. Step 4: Simplify right side
    19,986.25x = 304,322,465.57
  5. Step 5: Solve for x
    x = 304,322,465.57/19,986.25
  6. Step 6: Final answer
    x = 15,226.59

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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.