Home / 13,740.33-20,615.21-5,842.53

Finding the Fourth Proportional to 13,740.33, 20,615.21 and 5,842.53

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Solution

The fourth proportional to 13,740.33, 20,615.21 and 5,842.53 is: 8,765.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,740.33 : 20,615.21 = 5,842.53 : x
  2. Step 2: Convert to fraction form
    13,740.33/20,615.21 = 5,842.53/x
  3. Step 3: Cross multiply
    13,740.33x = 20,615.21 × 5,842.53
  4. Step 4: Simplify right side
    13,740.33x = 120,444,953.67
  5. Step 5: Solve for x
    x = 120,444,953.67/13,740.33
  6. Step 6: Final answer
    x = 8,765.80

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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.