Home / 19,268.61-28,902.27-8,168.16

Finding the Fourth Proportional to 19,268.61, 28,902.27 and 8,168.16

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Solution

The fourth proportional to 19,268.61, 28,902.27 and 8,168.16 is: 12,251.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.61 : 28,902.27 = 8,168.16 : x
  2. Step 2: Convert to fraction form
    19,268.61/28,902.27 = 8,168.16/x
  3. Step 3: Cross multiply
    19,268.61x = 28,902.27 × 8,168.16
  4. Step 4: Simplify right side
    19,268.61x = 236,078,365.72
  5. Step 5: Solve for x
    x = 236,078,365.72/19,268.61
  6. Step 6: Final answer
    x = 12,251.97

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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.