Home / 22,220.89-33,332.36-12,352.72

Finding the Fourth Proportional to 22,220.89, 33,332.36 and 12,352.72

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Solution

The fourth proportional to 22,220.89, 33,332.36 and 12,352.72 is: 18,529.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,220.89 : 33,332.36 = 12,352.72 : x
  2. Step 2: Convert to fraction form
    22,220.89/33,332.36 = 12,352.72/x
  3. Step 3: Cross multiply
    22,220.89x = 33,332.36 × 12,352.72
  4. Step 4: Simplify right side
    22,220.89x = 411,745,310.02
  5. Step 5: Solve for x
    x = 411,745,310.02/22,220.89
  6. Step 6: Final answer
    x = 18,529.65

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Similar ratio
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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.