Home / 13,710.82-20,566.96-4,351.55

Finding the Fourth Proportional to 13,710.82, 20,566.96 and 4,351.55

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Solution

The fourth proportional to 13,710.82, 20,566.96 and 4,351.55 is: 6,527.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,710.82 : 20,566.96 = 4,351.55 : x
  2. Step 2: Convert to fraction form
    13,710.82/20,566.96 = 4,351.55/x
  3. Step 3: Cross multiply
    13,710.82x = 20,566.96 × 4,351.55
  4. Step 4: Simplify right side
    13,710.82x = 89,498,154.79
  5. Step 5: Solve for x
    x = 89,498,154.79/13,710.82
  6. Step 6: Final answer
    x = 6,527.56

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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.