Home / 19,105.27-28,647.88-5,954.11

Finding the Fourth Proportional to 19,105.27, 28,647.88 and 5,954.11

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Solution

The fourth proportional to 19,105.27, 28,647.88 and 5,954.11 is: 8,928.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,105.27 : 28,647.88 = 5,954.11 : x
  2. Step 2: Convert to fraction form
    19,105.27/28,647.88 = 5,954.11/x
  3. Step 3: Cross multiply
    19,105.27x = 28,647.88 × 5,954.11
  4. Step 4: Simplify right side
    19,105.27x = 170,572,542.28
  5. Step 5: Solve for x
    x = 170,572,542.28/19,105.27
  6. Step 6: Final answer
    x = 8,928.04

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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.