Home / 18,623.05-27,934.54-13,101.08

Finding the Fourth Proportional to 18,623.05, 27,934.54 and 13,101.08

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Solution

The fourth proportional to 18,623.05, 27,934.54 and 13,101.08 is: 19,651.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.05 : 27,934.54 = 13,101.08 : x
  2. Step 2: Convert to fraction form
    18,623.05/27,934.54 = 13,101.08/x
  3. Step 3: Cross multiply
    18,623.05x = 27,934.54 × 13,101.08
  4. Step 4: Simplify right side
    18,623.05x = 365,972,470.88
  5. Step 5: Solve for x
    x = 365,972,470.88/18,623.05
  6. Step 6: Final answer
    x = 19,651.59

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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.