Home / 20,803.62-31,204.22-6,012.21

Finding the Fourth Proportional to 20,803.62, 31,204.22 and 6,012.21

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Solution

The fourth proportional to 20,803.62, 31,204.22 and 6,012.21 is: 9,017.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,803.62 : 31,204.22 = 6,012.21 : x
  2. Step 2: Convert to fraction form
    20,803.62/31,204.22 = 6,012.21/x
  3. Step 3: Cross multiply
    20,803.62x = 31,204.22 × 6,012.21
  4. Step 4: Simplify right side
    20,803.62x = 187,606,293.47
  5. Step 5: Solve for x
    x = 187,606,293.47/20,803.62
  6. Step 6: Final answer
    x = 9,017.96

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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.