Home / 18,258.11-25,196.18-9,874.61

Finding the Fourth Proportional to 18,258.11, 25,196.18 and 9,874.61

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Solution

The fourth proportional to 18,258.11, 25,196.18 and 9,874.61 is: 13,626.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.11 : 25,196.18 = 9,874.61 : x
  2. Step 2: Convert to fraction form
    18,258.11/25,196.18 = 9,874.61/x
  3. Step 3: Cross multiply
    18,258.11x = 25,196.18 × 9,874.61
  4. Step 4: Simplify right side
    18,258.11x = 248,802,450.99
  5. Step 5: Solve for x
    x = 248,802,450.99/18,258.11
  6. Step 6: Final answer
    x = 13,626.96

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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.