Home / 22,258.03-30,716.45-12,186.30

Finding the Fourth Proportional to 22,258.03, 30,716.45 and 12,186.30

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Solution

The fourth proportional to 22,258.03, 30,716.45 and 12,186.30 is: 16,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,258.03 : 30,716.45 = 12,186.30 : x
  2. Step 2: Convert to fraction form
    22,258.03/30,716.45 = 12,186.30/x
  3. Step 3: Cross multiply
    22,258.03x = 30,716.45 × 12,186.30
  4. Step 4: Simplify right side
    22,258.03x = 374,319,874.64
  5. Step 5: Solve for x
    x = 374,319,874.64/22,258.03
  6. Step 6: Final answer
    x = 16,817.30

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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.