Home / 22,372.77-30,874.45-12,301.38

Finding the Fourth Proportional to 22,372.77, 30,874.45 and 12,301.38

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Solution

The fourth proportional to 22,372.77, 30,874.45 and 12,301.38 is: 16,975.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,372.77 : 30,874.45 = 12,301.38 : x
  2. Step 2: Convert to fraction form
    22,372.77/30,874.45 = 12,301.38/x
  3. Step 3: Cross multiply
    22,372.77x = 30,874.45 × 12,301.38
  4. Step 4: Simplify right side
    22,372.77x = 379,798,310.99
  5. Step 5: Solve for x
    x = 379,798,310.99/22,372.77
  6. Step 6: Final answer
    x = 16,975.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.