Home / 20,008.62-27,611.79-11,056.74

Finding the Fourth Proportional to 20,008.62, 27,611.79 and 11,056.74

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Solution

The fourth proportional to 20,008.62, 27,611.79 and 11,056.74 is: 15,258.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008.62 : 27,611.79 = 11,056.74 : x
  2. Step 2: Convert to fraction form
    20,008.62/27,611.79 = 11,056.74/x
  3. Step 3: Cross multiply
    20,008.62x = 27,611.79 × 11,056.74
  4. Step 4: Simplify right side
    20,008.62x = 305,296,382.96
  5. Step 5: Solve for x
    x = 305,296,382.96/20,008.62
  6. Step 6: Final answer
    x = 15,258.24

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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.