Home / 13,576.44-18,744.66-8,797.80

Finding the Fourth Proportional to 13,576.44, 18,744.66 and 8,797.80

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Solution

The fourth proportional to 13,576.44, 18,744.66 and 8,797.80 is: 12,146.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.44 : 18,744.66 = 8,797.80 : x
  2. Step 2: Convert to fraction form
    13,576.44/18,744.66 = 8,797.80/x
  3. Step 3: Cross multiply
    13,576.44x = 18,744.66 × 8,797.80
  4. Step 4: Simplify right side
    13,576.44x = 164,911,769.75
  5. Step 5: Solve for x
    x = 164,911,769.75/13,576.44
  6. Step 6: Final answer
    x = 12,146.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.