Home / 18,622.69-27,934.26-5,475.33

Finding the Fourth Proportional to 18,622.69, 27,934.26 and 5,475.33

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Solution

The fourth proportional to 18,622.69, 27,934.26 and 5,475.33 is: 8,213.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.69 : 27,934.26 = 5,475.33 : x
  2. Step 2: Convert to fraction form
    18,622.69/27,934.26 = 5,475.33/x
  3. Step 3: Cross multiply
    18,622.69x = 27,934.26 × 5,475.33
  4. Step 4: Simplify right side
    18,622.69x = 152,949,291.81
  5. Step 5: Solve for x
    x = 152,949,291.81/18,622.69
  6. Step 6: Final answer
    x = 8,213.06

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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.