Home / 13,596.52-20,390.46-5,275.96

Finding the Fourth Proportional to 13,596.52, 20,390.46 and 5,275.96

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Solution

The fourth proportional to 13,596.52, 20,390.46 and 5,275.96 is: 7,912.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,596.52 : 20,390.46 = 5,275.96 : x
  2. Step 2: Convert to fraction form
    13,596.52/20,390.46 = 5,275.96/x
  3. Step 3: Cross multiply
    13,596.52x = 20,390.46 × 5,275.96
  4. Step 4: Simplify right side
    13,596.52x = 107,579,251.34
  5. Step 5: Solve for x
    x = 107,579,251.34/13,596.52
  6. Step 6: Final answer
    x = 7,912.26

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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.