Home / 20,012.08-27,620.10-11,633.44

Finding the Fourth Proportional to 20,012.08, 27,620.10 and 11,633.44

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Solution

The fourth proportional to 20,012.08, 27,620.10 and 11,633.44 is: 16,056.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,012.08 : 27,620.10 = 11,633.44 : x
  2. Step 2: Convert to fraction form
    20,012.08/27,620.10 = 11,633.44/x
  3. Step 3: Cross multiply
    20,012.08x = 27,620.10 × 11,633.44
  4. Step 4: Simplify right side
    20,012.08x = 321,316,776.14
  5. Step 5: Solve for x
    x = 321,316,776.14/20,012.08
  6. Step 6: Final answer
    x = 16,056.14

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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.