Home / 20,794.56-31,202.26-9,702.12

Finding the Fourth Proportional to 20,794.56, 31,202.26 and 9,702.12

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Solution

The fourth proportional to 20,794.56, 31,202.26 and 9,702.12 is: 14,558.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,794.56 : 31,202.26 = 9,702.12 : x
  2. Step 2: Convert to fraction form
    20,794.56/31,202.26 = 9,702.12/x
  3. Step 3: Cross multiply
    20,794.56x = 31,202.26 × 9,702.12
  4. Step 4: Simplify right side
    20,794.56x = 302,728,070.79
  5. Step 5: Solve for x
    x = 302,728,070.79/20,794.56
  6. Step 6: Final answer
    x = 14,558.04

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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.