Home / 14,983.20-22,480.20-6,220.80

Finding the Fourth Proportional to 14,983.20, 22,480.20 and 6,220.80

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Solution

The fourth proportional to 14,983.20, 22,480.20 and 6,220.80 is: 9,333.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,983.20 : 22,480.20 = 6,220.80 : x
  2. Step 2: Convert to fraction form
    14,983.20/22,480.20 = 6,220.80/x
  3. Step 3: Cross multiply
    14,983.20x = 22,480.20 × 6,220.80
  4. Step 4: Simplify right side
    14,983.20x = 139,844,828.16
  5. Step 5: Solve for x
    x = 139,844,828.16/14,983.20
  6. Step 6: Final answer
    x = 9,333.44

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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.