Home / 22,789.99-31,450.19-12,581.02

Finding the Fourth Proportional to 22,789.99, 31,450.19 and 12,581.02

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Solution

The fourth proportional to 22,789.99, 31,450.19 and 12,581.02 is: 17,361.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,789.99 : 31,450.19 = 12,581.02 : x
  2. Step 2: Convert to fraction form
    22,789.99/31,450.19 = 12,581.02/x
  3. Step 3: Cross multiply
    22,789.99x = 31,450.19 × 12,581.02
  4. Step 4: Simplify right side
    22,789.99x = 395,675,249.24
  5. Step 5: Solve for x
    x = 395,675,249.24/22,789.99
  6. Step 6: Final answer
    x = 17,361.80

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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.