Home / 20,230.94-27,932.13-13,064.06

Finding the Fourth Proportional to 20,230.94, 27,932.13 and 13,064.06

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Solution

The fourth proportional to 20,230.94, 27,932.13 and 13,064.06 is: 18,037.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,230.94 : 27,932.13 = 13,064.06 : x
  2. Step 2: Convert to fraction form
    20,230.94/27,932.13 = 13,064.06/x
  3. Step 3: Cross multiply
    20,230.94x = 27,932.13 × 13,064.06
  4. Step 4: Simplify right side
    20,230.94x = 364,907,022.25
  5. Step 5: Solve for x
    x = 364,907,022.25/20,230.94
  6. Step 6: Final answer
    x = 18,037.08

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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.