Home / 19,623.68-27,081.40-11,241.80

Finding the Fourth Proportional to 19,623.68, 27,081.40 and 11,241.80

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Solution

The fourth proportional to 19,623.68, 27,081.40 and 11,241.80 is: 15,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,623.68 : 27,081.40 = 11,241.80 : x
  2. Step 2: Convert to fraction form
    19,623.68/27,081.40 = 11,241.80/x
  3. Step 3: Cross multiply
    19,623.68x = 27,081.40 × 11,241.80
  4. Step 4: Simplify right side
    19,623.68x = 304,443,772.90
  5. Step 5: Solve for x
    x = 304,443,772.90/19,623.68
  6. Step 6: Final answer
    x = 15,514.10

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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.