Home / 12,223.04-18,331.68-4,433.60

Finding the Fourth Proportional to 12,223.04, 18,331.68 and 4,433.60

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Solution

The fourth proportional to 12,223.04, 18,331.68 and 4,433.60 is: 6,649.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223.04 : 18,331.68 = 4,433.60 : x
  2. Step 2: Convert to fraction form
    12,223.04/18,331.68 = 4,433.60/x
  3. Step 3: Cross multiply
    12,223.04x = 18,331.68 × 4,433.60
  4. Step 4: Simplify right side
    12,223.04x = 81,275,336.45
  5. Step 5: Solve for x
    x = 81,275,336.45/12,223.04
  6. Step 6: Final answer
    x = 6,649.36

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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.