Home / 14,562.20-21,843.30-5,331.80

Finding the Fourth Proportional to 14,562.20, 21,843.30 and 5,331.80

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Solution

The fourth proportional to 14,562.20, 21,843.30 and 5,331.80 is: 7,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,562.20 : 21,843.30 = 5,331.80 : x
  2. Step 2: Convert to fraction form
    14,562.20/21,843.30 = 5,331.80/x
  3. Step 3: Cross multiply
    14,562.20x = 21,843.30 × 5,331.80
  4. Step 4: Simplify right side
    14,562.20x = 116,464,106.94
  5. Step 5: Solve for x
    x = 116,464,106.94/14,562.20
  6. Step 6: Final answer
    x = 7,997.70

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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.