Home / 22,421.14-33,623.86-6,621.96

Finding the Fourth Proportional to 22,421.14, 33,623.86 and 6,621.96

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Solution

The fourth proportional to 22,421.14, 33,623.86 and 6,621.96 is: 9,930.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.14 : 33,623.86 = 6,621.96 : x
  2. Step 2: Convert to fraction form
    22,421.14/33,623.86 = 6,621.96/x
  3. Step 3: Cross multiply
    22,421.14x = 33,623.86 × 6,621.96
  4. Step 4: Simplify right side
    22,421.14x = 222,655,855.97
  5. Step 5: Solve for x
    x = 222,655,855.97/22,421.14
  6. Step 6: Final answer
    x = 9,930.62

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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.