Home / 33,011.75-45,555.39-18,863.69

Finding the Fourth Proportional to 33,011.75, 45,555.39 and 18,863.69

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Solution

The fourth proportional to 33,011.75, 45,555.39 and 18,863.69 is: 26,031.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,011.75 : 45,555.39 = 18,863.69 : x
  2. Step 2: Convert to fraction form
    33,011.75/45,555.39 = 18,863.69/x
  3. Step 3: Cross multiply
    33,011.75x = 45,555.39 × 18,863.69
  4. Step 4: Simplify right side
    33,011.75x = 859,342,527.01
  5. Step 5: Solve for x
    x = 859,342,527.01/33,011.75
  6. Step 6: Final answer
    x = 26,031.42

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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.