Home / 18,629.09-27,943.96-5,302.43

Finding the Fourth Proportional to 18,629.09, 27,943.96 and 5,302.43

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Solution

The fourth proportional to 18,629.09, 27,943.96 and 5,302.43 is: 7,953.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,629.09 : 27,943.96 = 5,302.43 : x
  2. Step 2: Convert to fraction form
    18,629.09/27,943.96 = 5,302.43/x
  3. Step 3: Cross multiply
    18,629.09x = 27,943.96 × 5,302.43
  4. Step 4: Simplify right side
    18,629.09x = 148,170,835.43
  5. Step 5: Solve for x
    x = 148,170,835.43/18,629.09
  6. Step 6: Final answer
    x = 7,953.73

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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.