Home / 29,227.53-40,315.14-18,453.36

Finding the Fourth Proportional to 29,227.53, 40,315.14 and 18,453.36

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Solution

The fourth proportional to 29,227.53, 40,315.14 and 18,453.36 is: 25,453.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,227.53 : 40,315.14 = 18,453.36 : x
  2. Step 2: Convert to fraction form
    29,227.53/40,315.14 = 18,453.36/x
  3. Step 3: Cross multiply
    29,227.53x = 40,315.14 × 18,453.36
  4. Step 4: Simplify right side
    29,227.53x = 743,949,791.87
  5. Step 5: Solve for x
    x = 743,949,791.87/29,227.53
  6. Step 6: Final answer
    x = 25,453.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.