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Finding the Fourth Proportional to 13,676.65, 18,873.93 and 8,010.16

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Solution

The fourth proportional to 13,676.65, 18,873.93 and 8,010.16 is: 11,054.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,676.65 : 18,873.93 = 8,010.16 : x
  2. Step 2: Convert to fraction form
    13,676.65/18,873.93 = 8,010.16/x
  3. Step 3: Cross multiply
    13,676.65x = 18,873.93 × 8,010.16
  4. Step 4: Simplify right side
    13,676.65x = 151,183,199.13
  5. Step 5: Solve for x
    x = 151,183,199.13/13,676.65
  6. Step 6: Final answer
    x = 11,054.11

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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.