Home / 12,060.04-18,126.30-9,993.64

Finding the Fourth Proportional to 12,060.04, 18,126.30 and 9,993.64

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Solution

The fourth proportional to 12,060.04, 18,126.30 and 9,993.64 is: 15,020.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060.04 : 18,126.30 = 9,993.64 : x
  2. Step 2: Convert to fraction form
    12,060.04/18,126.30 = 9,993.64/x
  3. Step 3: Cross multiply
    12,060.04x = 18,126.30 × 9,993.64
  4. Step 4: Simplify right side
    12,060.04x = 181,147,716.73
  5. Step 5: Solve for x
    x = 181,147,716.73/12,060.04
  6. Step 6: Final answer
    x = 15,020.49

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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.