Home / 18,223.54-27,338.03-5,742.25

Finding the Fourth Proportional to 18,223.54, 27,338.03 and 5,742.25

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Solution

The fourth proportional to 18,223.54, 27,338.03 and 5,742.25 is: 8,614.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,223.54 : 27,338.03 = 5,742.25 : x
  2. Step 2: Convert to fraction form
    18,223.54/27,338.03 = 5,742.25/x
  3. Step 3: Cross multiply
    18,223.54x = 27,338.03 × 5,742.25
  4. Step 4: Simplify right side
    18,223.54x = 156,981,802.77
  5. Step 5: Solve for x
    x = 156,981,802.77/18,223.54
  6. Step 6: Final answer
    x = 8,614.23

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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.