Home / 18,601.70-25,657.61-11,884.35

Finding the Fourth Proportional to 18,601.70, 25,657.61 and 11,884.35

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Solution

The fourth proportional to 18,601.70, 25,657.61 and 11,884.35 is: 16,392.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601.70 : 25,657.61 = 11,884.35 : x
  2. Step 2: Convert to fraction form
    18,601.70/25,657.61 = 11,884.35/x
  3. Step 3: Cross multiply
    18,601.70x = 25,657.61 × 11,884.35
  4. Step 4: Simplify right side
    18,601.70x = 304,924,121.05
  5. Step 5: Solve for x
    x = 304,924,121.05/18,601.70
  6. Step 6: Final answer
    x = 16,392.27

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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.