Home / 13,596.66-20,383.38-5,282.66

Finding the Fourth Proportional to 13,596.66, 20,383.38 and 5,282.66

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Solution

The fourth proportional to 13,596.66, 20,383.38 and 5,282.66 is: 7,919.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.66 : 20,383.38 = 5,282.66 : x
  2. Step 2: Convert to fraction form
    13,596.66/20,383.38 = 5,282.66/x
  3. Step 3: Cross multiply
    13,596.66x = 20,383.38 × 5,282.66
  4. Step 4: Simplify right side
    13,596.66x = 107,678,364.27
  5. Step 5: Solve for x
    x = 107,678,364.27/13,596.66
  6. Step 6: Final answer
    x = 7,919.47

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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.