Home / 19,843.14-27,390.27-13,887.24

Finding the Fourth Proportional to 19,843.14, 27,390.27 and 13,887.24

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Solution

The fourth proportional to 19,843.14, 27,390.27 and 13,887.24 is: 19,169.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,843.14 : 27,390.27 = 13,887.24 : x
  2. Step 2: Convert to fraction form
    19,843.14/27,390.27 = 13,887.24/x
  3. Step 3: Cross multiply
    19,843.14x = 27,390.27 × 13,887.24
  4. Step 4: Simplify right side
    19,843.14x = 380,375,253.15
  5. Step 5: Solve for x
    x = 380,375,253.15/19,843.14
  6. Step 6: Final answer
    x = 19,169.11

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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.