Home / 14,612.20-21,918.30-4,223.96

Finding the Fourth Proportional to 14,612.20, 21,918.30 and 4,223.96

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Solution

The fourth proportional to 14,612.20, 21,918.30 and 4,223.96 is: 6,335.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,612.20 : 21,918.30 = 4,223.96 : x
  2. Step 2: Convert to fraction form
    14,612.20/21,918.30 = 4,223.96/x
  3. Step 3: Cross multiply
    14,612.20x = 21,918.30 × 4,223.96
  4. Step 4: Simplify right side
    14,612.20x = 92,582,022.47
  5. Step 5: Solve for x
    x = 92,582,022.47/14,612.20
  6. Step 6: Final answer
    x = 6,335.94

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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.