Home / 19,012.39-28,509.07-5,863.05

Finding the Fourth Proportional to 19,012.39, 28,509.07 and 5,863.05

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Solution

The fourth proportional to 19,012.39, 28,509.07 and 5,863.05 is: 8,791.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,012.39 : 28,509.07 = 5,863.05 : x
  2. Step 2: Convert to fraction form
    19,012.39/28,509.07 = 5,863.05/x
  3. Step 3: Cross multiply
    19,012.39x = 28,509.07 × 5,863.05
  4. Step 4: Simplify right side
    19,012.39x = 167,150,073.55
  5. Step 5: Solve for x
    x = 167,150,073.55/19,012.39
  6. Step 6: Final answer
    x = 8,791.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.