Home / 18,320.70-27,483.24-6,472.02

Finding the Fourth Proportional to 18,320.70, 27,483.24 and 6,472.02

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Solution

The fourth proportional to 18,320.70, 27,483.24 and 6,472.02 is: 9,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,320.70 : 27,483.24 = 6,472.02 : x
  2. Step 2: Convert to fraction form
    18,320.70/27,483.24 = 6,472.02/x
  3. Step 3: Cross multiply
    18,320.70x = 27,483.24 × 6,472.02
  4. Step 4: Simplify right side
    18,320.70x = 177,872,078.94
  5. Step 5: Solve for x
    x = 177,872,078.94/18,320.70
  6. Step 6: Final answer
    x = 9,708.80

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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.