Home / 21,996.20-32,994.30-10,310.60

Finding the Fourth Proportional to 21,996.20, 32,994.30 and 10,310.60

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Solution

The fourth proportional to 21,996.20, 32,994.30 and 10,310.60 is: 15,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,996.20 : 32,994.30 = 10,310.60 : x
  2. Step 2: Convert to fraction form
    21,996.20/32,994.30 = 10,310.60/x
  3. Step 3: Cross multiply
    21,996.20x = 32,994.30 × 10,310.60
  4. Step 4: Simplify right side
    21,996.20x = 340,191,029.58
  5. Step 5: Solve for x
    x = 340,191,029.58/21,996.20
  6. Step 6: Final answer
    x = 15,465.90

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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.