Home / 22,258.12-30,717.06-12,185.92

Finding the Fourth Proportional to 22,258.12, 30,717.06 and 12,185.92

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Solution

The fourth proportional to 22,258.12, 30,717.06 and 12,185.92 is: 16,817.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,258.12 : 30,717.06 = 12,185.92 : x
  2. Step 2: Convert to fraction form
    22,258.12/30,717.06 = 12,185.92/x
  3. Step 3: Cross multiply
    22,258.12x = 30,717.06 × 12,185.92
  4. Step 4: Simplify right side
    22,258.12x = 374,315,635.80
  5. Step 5: Solve for x
    x = 374,315,635.80/22,258.12
  6. Step 6: Final answer
    x = 16,817.04

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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.