Home / 21,883.77-30,199.23-12,452.13

Finding the Fourth Proportional to 21,883.77, 30,199.23 and 12,452.13

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Solution

The fourth proportional to 21,883.77, 30,199.23 and 12,452.13 is: 17,183.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,883.77 : 30,199.23 = 12,452.13 : x
  2. Step 2: Convert to fraction form
    21,883.77/30,199.23 = 12,452.13/x
  3. Step 3: Cross multiply
    21,883.77x = 30,199.23 × 12,452.13
  4. Step 4: Simplify right side
    21,883.77x = 376,044,737.86
  5. Step 5: Solve for x
    x = 376,044,737.86/21,883.77
  6. Step 6: Final answer
    x = 17,183.73

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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.