Home / 22,226.40-33,339.60-11,167.20

Finding the Fourth Proportional to 22,226.40, 33,339.60 and 11,167.20

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Solution

The fourth proportional to 22,226.40, 33,339.60 and 11,167.20 is: 16,750.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,226.40 : 33,339.60 = 11,167.20 : x
  2. Step 2: Convert to fraction form
    22,226.40/33,339.60 = 11,167.20/x
  3. Step 3: Cross multiply
    22,226.40x = 33,339.60 × 11,167.20
  4. Step 4: Simplify right side
    22,226.40x = 372,309,981.12
  5. Step 5: Solve for x
    x = 372,309,981.12/22,226.40
  6. Step 6: Final answer
    x = 16,750.80

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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.