Home / 22,211.28-33,331.32-12,353.04

Finding the Fourth Proportional to 22,211.28, 33,331.32 and 12,353.04

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Solution

The fourth proportional to 22,211.28, 33,331.32 and 12,353.04 is: 18,537.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,211.28 : 33,331.32 = 12,353.04 : x
  2. Step 2: Convert to fraction form
    22,211.28/33,331.32 = 12,353.04/x
  3. Step 3: Cross multiply
    22,211.28x = 33,331.32 × 12,353.04
  4. Step 4: Simplify right side
    22,211.28x = 411,743,129.21
  5. Step 5: Solve for x
    x = 411,743,129.21/22,211.28
  6. Step 6: Final answer
    x = 18,537.57

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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.