Home / 22,338.12-30,825.39-12,267.88

Finding the Fourth Proportional to 22,338.12, 30,825.39 and 12,267.88

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Solution

The fourth proportional to 22,338.12, 30,825.39 and 12,267.88 is: 16,929.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,338.12 : 30,825.39 = 12,267.88 : x
  2. Step 2: Convert to fraction form
    22,338.12/30,825.39 = 12,267.88/x
  3. Step 3: Cross multiply
    22,338.12x = 30,825.39 × 12,267.88
  4. Step 4: Simplify right side
    22,338.12x = 378,162,185.47
  5. Step 5: Solve for x
    x = 378,162,185.47/22,338.12
  6. Step 6: Final answer
    x = 16,929.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.