Home / 13,324.50-19,986.85-4,559.49

Finding the Fourth Proportional to 13,324.50, 19,986.85 and 4,559.49

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Solution

The fourth proportional to 13,324.50, 19,986.85 and 4,559.49 is: 6,839.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.50 : 19,986.85 = 4,559.49 : x
  2. Step 2: Convert to fraction form
    13,324.50/19,986.85 = 4,559.49/x
  3. Step 3: Cross multiply
    13,324.50x = 19,986.85 × 4,559.49
  4. Step 4: Simplify right side
    13,324.50x = 91,129,848.41
  5. Step 5: Solve for x
    x = 91,129,848.41/13,324.50
  6. Step 6: Final answer
    x = 6,839.27

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Similar ratio
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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.