Home / 20,054.24-27,674.88-11,993.12

Finding the Fourth Proportional to 20,054.24, 27,674.88 and 11,993.12

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Solution

The fourth proportional to 20,054.24, 27,674.88 and 11,993.12 is: 16,550.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054.24 : 27,674.88 = 11,993.12 : x
  2. Step 2: Convert to fraction form
    20,054.24/27,674.88 = 11,993.12/x
  3. Step 3: Cross multiply
    20,054.24x = 27,674.88 × 11,993.12
  4. Step 4: Simplify right side
    20,054.24x = 331,908,156.83
  5. Step 5: Solve for x
    x = 331,908,156.83/20,054.24
  6. Step 6: Final answer
    x = 16,550.52

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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.