Home / 20,008.64-27,611.86-11,056.10

Finding the Fourth Proportional to 20,008.64, 27,611.86 and 11,056.10

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Solution

The fourth proportional to 20,008.64, 27,611.86 and 11,056.10 is: 15,257.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008.64 : 27,611.86 = 11,056.10 : x
  2. Step 2: Convert to fraction form
    20,008.64/27,611.86 = 11,056.10/x
  3. Step 3: Cross multiply
    20,008.64x = 27,611.86 × 11,056.10
  4. Step 4: Simplify right side
    20,008.64x = 305,279,485.35
  5. Step 5: Solve for x
    x = 305,279,485.35/20,008.64
  6. Step 6: Final answer
    x = 15,257.38

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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.