Home / 18,815.60-25,951.56-12,096.56

Finding the Fourth Proportional to 18,815.60, 25,951.56 and 12,096.56

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Solution

The fourth proportional to 18,815.60, 25,951.56 and 12,096.56 is: 16,684.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,815.60 : 25,951.56 = 12,096.56 : x
  2. Step 2: Convert to fraction form
    18,815.60/25,951.56 = 12,096.56/x
  3. Step 3: Cross multiply
    18,815.60x = 25,951.56 × 12,096.56
  4. Step 4: Simplify right side
    18,815.60x = 313,924,602.63
  5. Step 5: Solve for x
    x = 313,924,602.63/18,815.60
  6. Step 6: Final answer
    x = 16,684.27

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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.