Home / 20,694.50-31,044.99-6,846.74

Finding the Fourth Proportional to 20,694.50, 31,044.99 and 6,846.74

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Solution

The fourth proportional to 20,694.50, 31,044.99 and 6,846.74 is: 10,271.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,694.50 : 31,044.99 = 6,846.74 : x
  2. Step 2: Convert to fraction form
    20,694.50/31,044.99 = 6,846.74/x
  3. Step 3: Cross multiply
    20,694.50x = 31,044.99 × 6,846.74
  4. Step 4: Simplify right side
    20,694.50x = 212,556,974.83
  5. Step 5: Solve for x
    x = 212,556,974.83/20,694.50
  6. Step 6: Final answer
    x = 10,271.18

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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.