Home / 20,227.65-30,354.97-7,080.02

Finding the Fourth Proportional to 20,227.65, 30,354.97 and 7,080.02

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Solution

The fourth proportional to 20,227.65, 30,354.97 and 7,080.02 is: 10,624.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,227.65 : 30,354.97 = 7,080.02 : x
  2. Step 2: Convert to fraction form
    20,227.65/30,354.97 = 7,080.02/x
  3. Step 3: Cross multiply
    20,227.65x = 30,354.97 × 7,080.02
  4. Step 4: Simplify right side
    20,227.65x = 214,913,794.70
  5. Step 5: Solve for x
    x = 214,913,794.70/20,227.65
  6. Step 6: Final answer
    x = 10,624.75

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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.