Home / 20,064.07-27,687.99-11,566.09

Finding the Fourth Proportional to 20,064.07, 27,687.99 and 11,566.09

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Solution

The fourth proportional to 20,064.07, 27,687.99 and 11,566.09 is: 15,960.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064.07 : 27,687.99 = 11,566.09 : x
  2. Step 2: Convert to fraction form
    20,064.07/27,687.99 = 11,566.09/x
  3. Step 3: Cross multiply
    20,064.07x = 27,687.99 × 11,566.09
  4. Step 4: Simplify right side
    20,064.07x = 320,241,784.26
  5. Step 5: Solve for x
    x = 320,241,784.26/20,064.07
  6. Step 6: Final answer
    x = 15,960.96

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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.