Home / 12,033.06-18,049.64-7,899.22

Finding the Fourth Proportional to 12,033.06, 18,049.64 and 7,899.22

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Solution

The fourth proportional to 12,033.06, 18,049.64 and 7,899.22 is: 11,848.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,033.06 : 18,049.64 = 7,899.22 : x
  2. Step 2: Convert to fraction form
    12,033.06/18,049.64 = 7,899.22/x
  3. Step 3: Cross multiply
    12,033.06x = 18,049.64 × 7,899.22
  4. Step 4: Simplify right side
    12,033.06x = 142,578,060.35
  5. Step 5: Solve for x
    x = 142,578,060.35/12,033.06
  6. Step 6: Final answer
    x = 11,848.87

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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.