Home / 13,286.56-19,919.50-8,596.66

Finding the Fourth Proportional to 13,286.56, 19,919.50 and 8,596.66

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Solution

The fourth proportional to 13,286.56, 19,919.50 and 8,596.66 is: 12,888.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286.56 : 19,919.50 = 8,596.66 : x
  2. Step 2: Convert to fraction form
    13,286.56/19,919.50 = 8,596.66/x
  3. Step 3: Cross multiply
    13,286.56x = 19,919.50 × 8,596.66
  4. Step 4: Simplify right side
    13,286.56x = 171,241,168.87
  5. Step 5: Solve for x
    x = 171,241,168.87/13,286.56
  6. Step 6: Final answer
    x = 12,888.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.