Home / 19,722.39-27,213.67-11,654.92

Finding the Fourth Proportional to 19,722.39, 27,213.67 and 11,654.92

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Solution

The fourth proportional to 19,722.39, 27,213.67 and 11,654.92 is: 16,081.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722.39 : 27,213.67 = 11,654.92 : x
  2. Step 2: Convert to fraction form
    19,722.39/27,213.67 = 11,654.92/x
  3. Step 3: Cross multiply
    19,722.39x = 27,213.67 × 11,654.92
  4. Step 4: Simplify right side
    19,722.39x = 317,173,195.34
  5. Step 5: Solve for x
    x = 317,173,195.34/19,722.39
  6. Step 6: Final answer
    x = 16,081.89

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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.