Home / 20,054.45-27,674.32-11,101.42

Finding the Fourth Proportional to 20,054.45, 27,674.32 and 11,101.42

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Solution

The fourth proportional to 20,054.45, 27,674.32 and 11,101.42 is: 15,319.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054.45 : 27,674.32 = 11,101.42 : x
  2. Step 2: Convert to fraction form
    20,054.45/27,674.32 = 11,101.42/x
  3. Step 3: Cross multiply
    20,054.45x = 27,674.32 × 11,101.42
  4. Step 4: Simplify right side
    20,054.45x = 307,224,176.05
  5. Step 5: Solve for x
    x = 307,224,176.05/20,054.45
  6. Step 6: Final answer
    x = 15,319.50

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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.