Home / 19,581.57-27,022.59-11,198.07

Finding the Fourth Proportional to 19,581.57, 27,022.59 and 11,198.07

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Solution

The fourth proportional to 19,581.57, 27,022.59 and 11,198.07 is: 15,453.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,581.57 : 27,022.59 = 11,198.07 : x
  2. Step 2: Convert to fraction form
    19,581.57/27,022.59 = 11,198.07/x
  3. Step 3: Cross multiply
    19,581.57x = 27,022.59 × 11,198.07
  4. Step 4: Simplify right side
    19,581.57x = 302,600,854.40
  5. Step 5: Solve for x
    x = 302,600,854.40/19,581.57
  6. Step 6: Final answer
    x = 15,453.35

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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.