Home / 13,675.82-20,504.98-5,776.20

Finding the Fourth Proportional to 13,675.82, 20,504.98 and 5,776.20

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Solution

The fourth proportional to 13,675.82, 20,504.98 and 5,776.20 is: 8,660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,675.82 : 20,504.98 = 5,776.20 : x
  2. Step 2: Convert to fraction form
    13,675.82/20,504.98 = 5,776.20/x
  3. Step 3: Cross multiply
    13,675.82x = 20,504.98 × 5,776.20
  4. Step 4: Simplify right side
    13,675.82x = 118,440,865.48
  5. Step 5: Solve for x
    x = 118,440,865.48/13,675.82
  6. Step 6: Final answer
    x = 8,660.60

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1.5x scale

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.