Home / 13,474.55-18,593.46-7,811.08

Finding the Fourth Proportional to 13,474.55, 18,593.46 and 7,811.08

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Solution

The fourth proportional to 13,474.55, 18,593.46 and 7,811.08 is: 10,778.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.55 : 18,593.46 = 7,811.08 : x
  2. Step 2: Convert to fraction form
    13,474.55/18,593.46 = 7,811.08/x
  3. Step 3: Cross multiply
    13,474.55x = 18,593.46 × 7,811.08
  4. Step 4: Simplify right side
    13,474.55x = 145,234,957.05
  5. Step 5: Solve for x
    x = 145,234,957.05/13,474.55
  6. Step 6: Final answer
    x = 10,778.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.