Home / 13,450.10-18,552.51-8,676.14

Finding the Fourth Proportional to 13,450.10, 18,552.51 and 8,676.14

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Solution

The fourth proportional to 13,450.10, 18,552.51 and 8,676.14 is: 11,967.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.10 : 18,552.51 = 8,676.14 : x
  2. Step 2: Convert to fraction form
    13,450.10/18,552.51 = 8,676.14/x
  3. Step 3: Cross multiply
    13,450.10x = 18,552.51 × 8,676.14
  4. Step 4: Simplify right side
    13,450.10x = 160,964,081.35
  5. Step 5: Solve for x
    x = 160,964,081.35/13,450.10
  6. Step 6: Final answer
    x = 11,967.51

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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.