Home / 20,006.96-27,611.22-11,055.24

Finding the Fourth Proportional to 20,006.96, 27,611.22 and 11,055.24

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Solution

The fourth proportional to 20,006.96, 27,611.22 and 11,055.24 is: 15,257.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,006.96 : 27,611.22 = 11,055.24 : x
  2. Step 2: Convert to fraction form
    20,006.96/27,611.22 = 11,055.24/x
  3. Step 3: Cross multiply
    20,006.96x = 27,611.22 × 11,055.24
  4. Step 4: Simplify right side
    20,006.96x = 305,248,663.79
  5. Step 5: Solve for x
    x = 305,248,663.79/20,006.96
  6. Step 6: Final answer
    x = 15,257.12

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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.