Home / 18,400.80-27,601.74-6,713.04

Finding the Fourth Proportional to 18,400.80, 27,601.74 and 6,713.04

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Solution

The fourth proportional to 18,400.80, 27,601.74 and 6,713.04 is: 10,069.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,400.80 : 27,601.74 = 6,713.04 : x
  2. Step 2: Convert to fraction form
    18,400.80/27,601.74 = 6,713.04/x
  3. Step 3: Cross multiply
    18,400.80x = 27,601.74 × 6,713.04
  4. Step 4: Simplify right side
    18,400.80x = 185,291,584.69
  5. Step 5: Solve for x
    x = 185,291,584.69/18,400.80
  6. Step 6: Final answer
    x = 10,069.76

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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.