Home / 22,378.40-33,589.20-11,297.60

Finding the Fourth Proportional to 22,378.40, 33,589.20 and 11,297.60

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Solution

The fourth proportional to 22,378.40, 33,589.20 and 11,297.60 is: 16,957.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,378.40 : 33,589.20 = 11,297.60 : x
  2. Step 2: Convert to fraction form
    22,378.40/33,589.20 = 11,297.60/x
  3. Step 3: Cross multiply
    22,378.40x = 33,589.20 × 11,297.60
  4. Step 4: Simplify right side
    22,378.40x = 379,477,345.92
  5. Step 5: Solve for x
    x = 379,477,345.92/22,378.40
  6. Step 6: Final answer
    x = 16,957.30

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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.