Home / 20,194.42-27,891.63-13,468.36

Finding the Fourth Proportional to 20,194.42, 27,891.63 and 13,468.36

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Solution

The fourth proportional to 20,194.42, 27,891.63 and 13,468.36 is: 18,601.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,194.42 : 27,891.63 = 13,468.36 : x
  2. Step 2: Convert to fraction form
    20,194.42/27,891.63 = 13,468.36/x
  3. Step 3: Cross multiply
    20,194.42x = 27,891.63 × 13,468.36
  4. Step 4: Simplify right side
    20,194.42x = 375,654,307.03
  5. Step 5: Solve for x
    x = 375,654,307.03/20,194.42
  6. Step 6: Final answer
    x = 18,601.89

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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.