Home / 18,826.44-28,215.36-8,968.76

Finding the Fourth Proportional to 18,826.44, 28,215.36 and 8,968.76

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Solution

The fourth proportional to 18,826.44, 28,215.36 and 8,968.76 is: 13,441.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,826.44 : 28,215.36 = 8,968.76 : x
  2. Step 2: Convert to fraction form
    18,826.44/28,215.36 = 8,968.76/x
  3. Step 3: Cross multiply
    18,826.44x = 28,215.36 × 8,968.76
  4. Step 4: Simplify right side
    18,826.44x = 253,056,792.15
  5. Step 5: Solve for x
    x = 253,056,792.15/18,826.44
  6. Step 6: Final answer
    x = 13,441.56

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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.