Home / 18,633.23-25,714.91-10,676.78

Finding the Fourth Proportional to 18,633.23, 25,714.91 and 10,676.78

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Solution

The fourth proportional to 18,633.23, 25,714.91 and 10,676.78 is: 14,734.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,633.23 : 25,714.91 = 10,676.78 : x
  2. Step 2: Convert to fraction form
    18,633.23/25,714.91 = 10,676.78/x
  3. Step 3: Cross multiply
    18,633.23x = 25,714.91 × 10,676.78
  4. Step 4: Simplify right side
    18,633.23x = 274,552,383.41
  5. Step 5: Solve for x
    x = 274,552,383.41/18,633.23
  6. Step 6: Final answer
    x = 14,734.56

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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.