Home / 13,841.18-20,749.43-5,074.05

Finding the Fourth Proportional to 13,841.18, 20,749.43 and 5,074.05

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Solution

The fourth proportional to 13,841.18, 20,749.43 and 5,074.05 is: 7,606.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.18 : 20,749.43 = 5,074.05 : x
  2. Step 2: Convert to fraction form
    13,841.18/20,749.43 = 5,074.05/x
  3. Step 3: Cross multiply
    13,841.18x = 20,749.43 × 5,074.05
  4. Step 4: Simplify right side
    13,841.18x = 105,283,619.92
  5. Step 5: Solve for x
    x = 105,283,619.92/13,841.18
  6. Step 6: Final answer
    x = 7,606.55

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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.