Home / 19,964.24-27,550.09-11,011.58

Finding the Fourth Proportional to 19,964.24, 27,550.09 and 11,011.58

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Solution

The fourth proportional to 19,964.24, 27,550.09 and 11,011.58 is: 15,195.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.24 : 27,550.09 = 11,011.58 : x
  2. Step 2: Convert to fraction form
    19,964.24/27,550.09 = 11,011.58/x
  3. Step 3: Cross multiply
    19,964.24x = 27,550.09 × 11,011.58
  4. Step 4: Simplify right side
    19,964.24x = 303,370,020.04
  5. Step 5: Solve for x
    x = 303,370,020.04/19,964.24
  6. Step 6: Final answer
    x = 15,195.67

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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.