Home / 18,051.30-27,081.54-6,954.99

Finding the Fourth Proportional to 18,051.30, 27,081.54 and 6,954.99

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Solution

The fourth proportional to 18,051.30, 27,081.54 and 6,954.99 is: 10,434.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,051.30 : 27,081.54 = 6,954.99 : x
  2. Step 2: Convert to fraction form
    18,051.30/27,081.54 = 6,954.99/x
  3. Step 3: Cross multiply
    18,051.30x = 27,081.54 × 6,954.99
  4. Step 4: Simplify right side
    18,051.30x = 188,351,839.88
  5. Step 5: Solve for x
    x = 188,351,839.88/18,051.30
  6. Step 6: Final answer
    x = 10,434.25

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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.