Home / 18,126.87-27,200.21-7,033.99

Finding the Fourth Proportional to 18,126.87, 27,200.21 and 7,033.99

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Solution

The fourth proportional to 18,126.87, 27,200.21 and 7,033.99 is: 10,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126.87 : 27,200.21 = 7,033.99 : x
  2. Step 2: Convert to fraction form
    18,126.87/27,200.21 = 7,033.99/x
  3. Step 3: Cross multiply
    18,126.87x = 27,200.21 × 7,033.99
  4. Step 4: Simplify right side
    18,126.87x = 191,326,005.14
  5. Step 5: Solve for x
    x = 191,326,005.14/18,126.87
  6. Step 6: Final answer
    x = 10,554.83

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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.