Home / 13,559.73-20,337.48-3,699.81

Finding the Fourth Proportional to 13,559.73, 20,337.48 and 3,699.81

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Solution

The fourth proportional to 13,559.73, 20,337.48 and 3,699.81 is: 5,549.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559.73 : 20,337.48 = 3,699.81 : x
  2. Step 2: Convert to fraction form
    13,559.73/20,337.48 = 3,699.81/x
  3. Step 3: Cross multiply
    13,559.73x = 20,337.48 × 3,699.81
  4. Step 4: Simplify right side
    13,559.73x = 75,244,811.88
  5. Step 5: Solve for x
    x = 75,244,811.88/13,559.73
  6. Step 6: Final answer
    x = 5,549.14

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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.