Home / 22,245.60-33,360.30-11,148.60

Finding the Fourth Proportional to 22,245.60, 33,360.30 and 11,148.60

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Solution

The fourth proportional to 22,245.60, 33,360.30 and 11,148.60 is: 16,718.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,245.60 : 33,360.30 = 11,148.60 : x
  2. Step 2: Convert to fraction form
    22,245.60/33,360.30 = 11,148.60/x
  3. Step 3: Cross multiply
    22,245.60x = 33,360.30 × 11,148.60
  4. Step 4: Simplify right side
    22,245.60x = 371,920,640.58
  5. Step 5: Solve for x
    x = 371,920,640.58/22,245.60
  6. Step 6: Final answer
    x = 16,718.84

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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.