Home / 22,676.14-31,285.60-13,720.24

Finding the Fourth Proportional to 22,676.14, 31,285.60 and 13,720.24

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Solution

The fourth proportional to 22,676.14, 31,285.60 and 13,720.24 is: 18,929.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,676.14 : 31,285.60 = 13,720.24 : x
  2. Step 2: Convert to fraction form
    22,676.14/31,285.60 = 13,720.24/x
  3. Step 3: Cross multiply
    22,676.14x = 31,285.60 × 13,720.24
  4. Step 4: Simplify right side
    22,676.14x = 429,245,940.54
  5. Step 5: Solve for x
    x = 429,245,940.54/22,676.14
  6. Step 6: Final answer
    x = 18,929.41

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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.