Home / 18,330.62-27,503.73-12,414.18

Finding the Fourth Proportional to 18,330.62, 27,503.73 and 12,414.18

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Solution

The fourth proportional to 18,330.62, 27,503.73 and 12,414.18 is: 18,626.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.62 : 27,503.73 = 12,414.18 : x
  2. Step 2: Convert to fraction form
    18,330.62/27,503.73 = 12,414.18/x
  3. Step 3: Cross multiply
    18,330.62x = 27,503.73 × 12,414.18
  4. Step 4: Simplify right side
    18,330.62x = 341,436,254.89
  5. Step 5: Solve for x
    x = 341,436,254.89/18,330.62
  6. Step 6: Final answer
    x = 18,626.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.