Home / 22,258.87-30,716.08-12,185.39

Finding the Fourth Proportional to 22,258.87, 30,716.08 and 12,185.39

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Solution

The fourth proportional to 22,258.87, 30,716.08 and 12,185.39 is: 16,815.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,258.87 : 30,716.08 = 12,185.39 : x
  2. Step 2: Convert to fraction form
    22,258.87/30,716.08 = 12,185.39/x
  3. Step 3: Cross multiply
    22,258.87x = 30,716.08 × 12,185.39
  4. Step 4: Simplify right side
    22,258.87x = 374,287,414.07
  5. Step 5: Solve for x
    x = 374,287,414.07/22,258.87
  6. Step 6: Final answer
    x = 16,815.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.