Home / 18,552.40-27,828.69-5,404.84

Finding the Fourth Proportional to 18,552.40, 27,828.69 and 5,404.84

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Solution

The fourth proportional to 18,552.40, 27,828.69 and 5,404.84 is: 8,107.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,552.40 : 27,828.69 = 5,404.84 : x
  2. Step 2: Convert to fraction form
    18,552.40/27,828.69 = 5,404.84/x
  3. Step 3: Cross multiply
    18,552.40x = 27,828.69 × 5,404.84
  4. Step 4: Simplify right side
    18,552.40x = 150,409,616.86
  5. Step 5: Solve for x
    x = 150,409,616.86/18,552.40
  6. Step 6: Final answer
    x = 8,107.29

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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.