Home / 13,841.43-20,749.80-5,074.30

Finding the Fourth Proportional to 13,841.43, 20,749.80 and 5,074.30

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Solution

The fourth proportional to 13,841.43, 20,749.80 and 5,074.30 is: 7,606.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841.43 : 20,749.80 = 5,074.30 : x
  2. Step 2: Convert to fraction form
    13,841.43/20,749.80 = 5,074.30/x
  3. Step 3: Cross multiply
    13,841.43x = 20,749.80 × 5,074.30
  4. Step 4: Simplify right side
    13,841.43x = 105,290,710.14
  5. Step 5: Solve for x
    x = 105,290,710.14/13,841.43
  6. Step 6: Final answer
    x = 7,606.92

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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.