Home / 22,258.25-30,716.48-12,187.63

Finding the Fourth Proportional to 22,258.25, 30,716.48 and 12,187.63

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Solution

The fourth proportional to 22,258.25, 30,716.48 and 12,187.63 is: 16,818.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,258.25 : 30,716.48 = 12,187.63 : x
  2. Step 2: Convert to fraction form
    22,258.25/30,716.48 = 12,187.63/x
  3. Step 3: Cross multiply
    22,258.25x = 30,716.48 × 12,187.63
  4. Step 4: Simplify right side
    22,258.25x = 374,360,878.62
  5. Step 5: Solve for x
    x = 374,360,878.62/22,258.25
  6. Step 6: Final answer
    x = 16,818.97

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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.