Home / 13,960.08-20,943.56-6,943.42

Finding the Fourth Proportional to 13,960.08, 20,943.56 and 6,943.42

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Solution

The fourth proportional to 13,960.08, 20,943.56 and 6,943.42 is: 10,416.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.08 : 20,943.56 = 6,943.42 : x
  2. Step 2: Convert to fraction form
    13,960.08/20,943.56 = 6,943.42/x
  3. Step 3: Cross multiply
    13,960.08x = 20,943.56 × 6,943.42
  4. Step 4: Simplify right side
    13,960.08x = 145,419,976.91
  5. Step 5: Solve for x
    x = 145,419,976.91/13,960.08
  6. Step 6: Final answer
    x = 10,416.84

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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.