Home / 22,845.22-31,513.26-13,411.96

Finding the Fourth Proportional to 22,845.22, 31,513.26 and 13,411.96

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Solution

The fourth proportional to 22,845.22, 31,513.26 and 13,411.96 is: 18,500.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,845.22 : 31,513.26 = 13,411.96 : x
  2. Step 2: Convert to fraction form
    22,845.22/31,513.26 = 13,411.96/x
  3. Step 3: Cross multiply
    22,845.22x = 31,513.26 × 13,411.96
  4. Step 4: Simplify right side
    22,845.22x = 422,654,582.59
  5. Step 5: Solve for x
    x = 422,654,582.59/22,845.22
  6. Step 6: Final answer
    x = 18,500.79

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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.