Home / 20,711.92-31,063.53-6,673.21

Finding the Fourth Proportional to 20,711.92, 31,063.53 and 6,673.21

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Solution

The fourth proportional to 20,711.92, 31,063.53 and 6,673.21 is: 10,008.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,711.92 : 31,063.53 = 6,673.21 : x
  2. Step 2: Convert to fraction form
    20,711.92/31,063.53 = 6,673.21/x
  3. Step 3: Cross multiply
    20,711.92x = 31,063.53 × 6,673.21
  4. Step 4: Simplify right side
    20,711.92x = 207,293,459.03
  5. Step 5: Solve for x
    x = 207,293,459.03/20,711.92
  6. Step 6: Final answer
    x = 10,008.41

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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.