Home / 18,321.84-27,464.28-7,224.23

Finding the Fourth Proportional to 18,321.84, 27,464.28 and 7,224.23

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Solution

The fourth proportional to 18,321.84, 27,464.28 and 7,224.23 is: 10,829.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,321.84 : 27,464.28 = 7,224.23 : x
  2. Step 2: Convert to fraction form
    18,321.84/27,464.28 = 7,224.23/x
  3. Step 3: Cross multiply
    18,321.84x = 27,464.28 × 7,224.23
  4. Step 4: Simplify right side
    18,321.84x = 198,408,138.18
  5. Step 5: Solve for x
    x = 198,408,138.18/18,321.84
  6. Step 6: Final answer
    x = 10,829.05

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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.