Home / 20,740.60-31,106.26-5,949.44

Finding the Fourth Proportional to 20,740.60, 31,106.26 and 5,949.44

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Solution

The fourth proportional to 20,740.60, 31,106.26 and 5,949.44 is: 8,922.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,740.60 : 31,106.26 = 5,949.44 : x
  2. Step 2: Convert to fraction form
    20,740.60/31,106.26 = 5,949.44/x
  3. Step 3: Cross multiply
    20,740.60x = 31,106.26 × 5,949.44
  4. Step 4: Simplify right side
    20,740.60x = 185,064,827.49
  5. Step 5: Solve for x
    x = 185,064,827.49/20,740.60
  6. Step 6: Final answer
    x = 8,922.83

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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.