Home / 19,986.14-27,577.42-11,486.27

Finding the Fourth Proportional to 19,986.14, 27,577.42 and 11,486.27

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Solution

The fourth proportional to 19,986.14, 27,577.42 and 11,486.27 is: 15,849.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986.14 : 27,577.42 = 11,486.27 : x
  2. Step 2: Convert to fraction form
    19,986.14/27,577.42 = 11,486.27/x
  3. Step 3: Cross multiply
    19,986.14x = 27,577.42 × 11,486.27
  4. Step 4: Simplify right side
    19,986.14x = 316,761,692.02
  5. Step 5: Solve for x
    x = 316,761,692.02/19,986.14
  6. Step 6: Final answer
    x = 15,849.07

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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.