Home / 14,180.56-19,568.84-7,892.80

Finding the Fourth Proportional to 14,180.56, 19,568.84 and 7,892.80

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Solution

The fourth proportional to 14,180.56, 19,568.84 and 7,892.80 is: 10,891.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,180.56 : 19,568.84 = 7,892.80 : x
  2. Step 2: Convert to fraction form
    14,180.56/19,568.84 = 7,892.80/x
  3. Step 3: Cross multiply
    14,180.56x = 19,568.84 × 7,892.80
  4. Step 4: Simplify right side
    14,180.56x = 154,452,940.35
  5. Step 5: Solve for x
    x = 154,452,940.35/14,180.56
  6. Step 6: Final answer
    x = 10,891.88

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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.