Home / 13,675.15-18,871.86-8,008.66

Finding the Fourth Proportional to 13,675.15, 18,871.86 and 8,008.66

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Solution

The fourth proportional to 13,675.15, 18,871.86 and 8,008.66 is: 11,052.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,675.15 : 18,871.86 = 8,008.66 : x
  2. Step 2: Convert to fraction form
    13,675.15/18,871.86 = 8,008.66/x
  3. Step 3: Cross multiply
    13,675.15x = 18,871.86 × 8,008.66
  4. Step 4: Simplify right side
    13,675.15x = 151,138,310.31
  5. Step 5: Solve for x
    x = 151,138,310.31/13,675.15
  6. Step 6: Final answer
    x = 11,052.04

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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.