Home / 13,675.30-20,500.61-4,908.16

Finding the Fourth Proportional to 13,675.30, 20,500.61 and 4,908.16

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Solution

The fourth proportional to 13,675.30, 20,500.61 and 4,908.16 is: 7,357.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,675.30 : 20,500.61 = 4,908.16 : x
  2. Step 2: Convert to fraction form
    13,675.30/20,500.61 = 4,908.16/x
  3. Step 3: Cross multiply
    13,675.30x = 20,500.61 × 4,908.16
  4. Step 4: Simplify right side
    13,675.30x = 100,620,146.93
  5. Step 5: Solve for x
    x = 100,620,146.93/13,675.30
  6. Step 6: Final answer
    x = 7,357.80

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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.