Home / 20,006.08-27,611.80-11,627.44

Finding the Fourth Proportional to 20,006.08, 27,611.80 and 11,627.44

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Solution

The fourth proportional to 20,006.08, 27,611.80 and 11,627.44 is: 16,047.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,006.08 : 27,611.80 = 11,627.44 : x
  2. Step 2: Convert to fraction form
    20,006.08/27,611.80 = 11,627.44/x
  3. Step 3: Cross multiply
    20,006.08x = 27,611.80 × 11,627.44
  4. Step 4: Simplify right side
    20,006.08x = 321,054,547.79
  5. Step 5: Solve for x
    x = 321,054,547.79/20,006.08
  6. Step 6: Final answer
    x = 16,047.85

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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.