Home / 28,783.53-43,180.74-11,252.25

Finding the Fourth Proportional to 28,783.53, 43,180.74 and 11,252.25

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Solution

The fourth proportional to 28,783.53, 43,180.74 and 11,252.25 is: 16,880.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,783.53 : 43,180.74 = 11,252.25 : x
  2. Step 2: Convert to fraction form
    28,783.53/43,180.74 = 11,252.25/x
  3. Step 3: Cross multiply
    28,783.53x = 43,180.74 × 11,252.25
  4. Step 4: Simplify right side
    28,783.53x = 485,880,481.67
  5. Step 5: Solve for x
    x = 485,880,481.67/28,783.53
  6. Step 6: Final answer
    x = 16,880.50

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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.