Home / 22,054.55-30,435.82-11,982.87

Finding the Fourth Proportional to 22,054.55, 30,435.82 and 11,982.87

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Solution

The fourth proportional to 22,054.55, 30,435.82 and 11,982.87 is: 16,536.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,054.55 : 30,435.82 = 11,982.87 : x
  2. Step 2: Convert to fraction form
    22,054.55/30,435.82 = 11,982.87/x
  3. Step 3: Cross multiply
    22,054.55x = 30,435.82 × 11,982.87
  4. Step 4: Simplify right side
    22,054.55x = 364,708,444.45
  5. Step 5: Solve for x
    x = 364,708,444.45/22,054.55
  6. Step 6: Final answer
    x = 16,536.66

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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.