Home / 18,229.47-27,347.85-5,751.42

Finding the Fourth Proportional to 18,229.47, 27,347.85 and 5,751.42

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Solution

The fourth proportional to 18,229.47, 27,347.85 and 5,751.42 is: 8,628.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.47 : 27,347.85 = 5,751.42 : x
  2. Step 2: Convert to fraction form
    18,229.47/27,347.85 = 5,751.42/x
  3. Step 3: Cross multiply
    18,229.47x = 27,347.85 × 5,751.42
  4. Step 4: Simplify right side
    18,229.47x = 157,288,971.45
  5. Step 5: Solve for x
    x = 157,288,971.45/18,229.47
  6. Step 6: Final answer
    x = 8,628.28

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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.