Home / 18,533.15-27,799.79-4,493.12

Finding the Fourth Proportional to 18,533.15, 27,799.79 and 4,493.12

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Solution

The fourth proportional to 18,533.15, 27,799.79 and 4,493.12 is: 6,739.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,533.15 : 27,799.79 = 4,493.12 : x
  2. Step 2: Convert to fraction form
    18,533.15/27,799.79 = 4,493.12/x
  3. Step 3: Cross multiply
    18,533.15x = 27,799.79 × 4,493.12
  4. Step 4: Simplify right side
    18,533.15x = 124,907,839.48
  5. Step 5: Solve for x
    x = 124,907,839.48/18,533.15
  6. Step 6: Final answer
    x = 6,739.70

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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.