Home / 18,282.87-27,424.44-5,135.49

Finding the Fourth Proportional to 18,282.87, 27,424.44 and 5,135.49

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Solution

The fourth proportional to 18,282.87, 27,424.44 and 5,135.49 is: 7,703.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,282.87 : 27,424.44 = 5,135.49 : x
  2. Step 2: Convert to fraction form
    18,282.87/27,424.44 = 5,135.49/x
  3. Step 3: Cross multiply
    18,282.87x = 27,424.44 × 5,135.49
  4. Step 4: Simplify right side
    18,282.87x = 140,837,937.38
  5. Step 5: Solve for x
    x = 140,837,937.38/18,282.87
  6. Step 6: Final answer
    x = 7,703.27

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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.