Home / 28,838.93-43,258.39-12,194.64

Finding the Fourth Proportional to 28,838.93, 43,258.39 and 12,194.64

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Solution

The fourth proportional to 28,838.93, 43,258.39 and 12,194.64 is: 18,291.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,838.93 : 43,258.39 = 12,194.64 : x
  2. Step 2: Convert to fraction form
    28,838.93/43,258.39 = 12,194.64/x
  3. Step 3: Cross multiply
    28,838.93x = 43,258.39 × 12,194.64
  4. Step 4: Simplify right side
    28,838.93x = 527,520,462.54
  5. Step 5: Solve for x
    x = 527,520,462.54/28,838.93
  6. Step 6: Final answer
    x = 18,291.96

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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.