Home / 18,100.25-27,147.33-4,950.30

Finding the Fourth Proportional to 18,100.25, 27,147.33 and 4,950.30

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Solution

The fourth proportional to 18,100.25, 27,147.33 and 4,950.30 is: 7,424.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,100.25 : 27,147.33 = 4,950.30 : x
  2. Step 2: Convert to fraction form
    18,100.25/27,147.33 = 4,950.30/x
  3. Step 3: Cross multiply
    18,100.25x = 27,147.33 × 4,950.30
  4. Step 4: Simplify right side
    18,100.25x = 134,387,427.70
  5. Step 5: Solve for x
    x = 134,387,427.70/18,100.25
  6. Step 6: Final answer
    x = 7,424.62

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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.