Home / 22,389.20-33,583.80-6,807.60

Finding the Fourth Proportional to 22,389.20, 33,583.80 and 6,807.60

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Solution

The fourth proportional to 22,389.20, 33,583.80 and 6,807.60 is: 10,211.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,389.20 : 33,583.80 = 6,807.60 : x
  2. Step 2: Convert to fraction form
    22,389.20/33,583.80 = 6,807.60/x
  3. Step 3: Cross multiply
    22,389.20x = 33,583.80 × 6,807.60
  4. Step 4: Simplify right side
    22,389.20x = 228,625,076.88
  5. Step 5: Solve for x
    x = 228,625,076.88/22,389.20
  6. Step 6: Final answer
    x = 10,211.40

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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.