Home / 13,488.56-20,236.26-4,723.25

Finding the Fourth Proportional to 13,488.56, 20,236.26 and 4,723.25

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Solution

The fourth proportional to 13,488.56, 20,236.26 and 4,723.25 is: 7,086.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488.56 : 20,236.26 = 4,723.25 : x
  2. Step 2: Convert to fraction form
    13,488.56/20,236.26 = 4,723.25/x
  3. Step 3: Cross multiply
    13,488.56x = 20,236.26 × 4,723.25
  4. Step 4: Simplify right side
    13,488.56x = 95,580,915.05
  5. Step 5: Solve for x
    x = 95,580,915.05/13,488.56
  6. Step 6: Final answer
    x = 7,086.07

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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.