Home / 16,956.20-25,434.30-5,270.60

Finding the Fourth Proportional to 16,956.20, 25,434.30 and 5,270.60

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Solution

The fourth proportional to 16,956.20, 25,434.30 and 5,270.60 is: 7,905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,956.20 : 25,434.30 = 5,270.60 : x
  2. Step 2: Convert to fraction form
    16,956.20/25,434.30 = 5,270.60/x
  3. Step 3: Cross multiply
    16,956.20x = 25,434.30 × 5,270.60
  4. Step 4: Simplify right side
    16,956.20x = 134,054,021.58
  5. Step 5: Solve for x
    x = 134,054,021.58/16,956.20
  6. Step 6: Final answer
    x = 7,905.90

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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.