Home / 18,424.91-27,637.52-11,425.29

Finding the Fourth Proportional to 18,424.91, 27,637.52 and 11,425.29

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Solution

The fourth proportional to 18,424.91, 27,637.52 and 11,425.29 is: 17,138.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424.91 : 27,637.52 = 11,425.29 : x
  2. Step 2: Convert to fraction form
    18,424.91/27,637.52 = 11,425.29/x
  3. Step 3: Cross multiply
    18,424.91x = 27,637.52 × 11,425.29
  4. Step 4: Simplify right side
    18,424.91x = 315,766,623.75
  5. Step 5: Solve for x
    x = 315,766,623.75/18,424.91
  6. Step 6: Final answer
    x = 17,138.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.