Home / 18,228.90-27,343.92-5,749.02

Finding the Fourth Proportional to 18,228.90, 27,343.92 and 5,749.02

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Solution

The fourth proportional to 18,228.90, 27,343.92 and 5,749.02 is: 8,623.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,228.90 : 27,343.92 = 5,749.02 : x
  2. Step 2: Convert to fraction form
    18,228.90/27,343.92 = 5,749.02/x
  3. Step 3: Cross multiply
    18,228.90x = 27,343.92 × 5,749.02
  4. Step 4: Simplify right side
    18,228.90x = 157,200,742.96
  5. Step 5: Solve for x
    x = 157,200,742.96/18,228.90
  6. Step 6: Final answer
    x = 8,623.71

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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.