Home / 20,712.98-31,065.12-6,674.27

Finding the Fourth Proportional to 20,712.98, 31,065.12 and 6,674.27

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Solution

The fourth proportional to 20,712.98, 31,065.12 and 6,674.27 is: 10,009.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,712.98 : 31,065.12 = 6,674.27 : x
  2. Step 2: Convert to fraction form
    20,712.98/31,065.12 = 6,674.27/x
  3. Step 3: Cross multiply
    20,712.98x = 31,065.12 × 6,674.27
  4. Step 4: Simplify right side
    20,712.98x = 207,336,843.14
  5. Step 5: Solve for x
    x = 207,336,843.14/20,712.98
  6. Step 6: Final answer
    x = 10,009.99

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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.