Home / 19,091.88-28,641.60-5,943.69

Finding the Fourth Proportional to 19,091.88, 28,641.60 and 5,943.69

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Solution

The fourth proportional to 19,091.88, 28,641.60 and 5,943.69 is: 8,916.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,091.88 : 28,641.60 = 5,943.69 : x
  2. Step 2: Convert to fraction form
    19,091.88/28,641.60 = 5,943.69/x
  3. Step 3: Cross multiply
    19,091.88x = 28,641.60 × 5,943.69
  4. Step 4: Simplify right side
    19,091.88x = 170,236,791.50
  5. Step 5: Solve for x
    x = 170,236,791.50/19,091.88
  6. Step 6: Final answer
    x = 8,916.71

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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.