Home / 13,596.96-20,384.37-5,272.68

Finding the Fourth Proportional to 13,596.96, 20,384.37 and 5,272.68

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Solution

The fourth proportional to 13,596.96, 20,384.37 and 5,272.68 is: 7,904.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.96 : 20,384.37 = 5,272.68 : x
  2. Step 2: Convert to fraction form
    13,596.96/20,384.37 = 5,272.68/x
  3. Step 3: Cross multiply
    13,596.96x = 20,384.37 × 5,272.68
  4. Step 4: Simplify right side
    13,596.96x = 107,480,260.01
  5. Step 5: Solve for x
    x = 107,480,260.01/13,596.96
  6. Step 6: Final answer
    x = 7,904.73

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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.