Home / 18,533.12-27,799.68-6,229.76

Finding the Fourth Proportional to 18,533.12, 27,799.68 and 6,229.76

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Solution

The fourth proportional to 18,533.12, 27,799.68 and 6,229.76 is: 9,344.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,533.12 : 27,799.68 = 6,229.76 : x
  2. Step 2: Convert to fraction form
    18,533.12/27,799.68 = 6,229.76/x
  3. Step 3: Cross multiply
    18,533.12x = 27,799.68 × 6,229.76
  4. Step 4: Simplify right side
    18,533.12x = 173,185,334.48
  5. Step 5: Solve for x
    x = 173,185,334.48/18,533.12
  6. Step 6: Final answer
    x = 9,344.64

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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.