Home / 12,087.98-18,043.63-11,197.63

Finding the Fourth Proportional to 12,087.98, 18,043.63 and 11,197.63

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Solution

The fourth proportional to 12,087.98, 18,043.63 and 11,197.63 is: 16,714.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,087.98 : 18,043.63 = 11,197.63 : x
  2. Step 2: Convert to fraction form
    12,087.98/18,043.63 = 11,197.63/x
  3. Step 3: Cross multiply
    12,087.98x = 18,043.63 × 11,197.63
  4. Step 4: Simplify right side
    12,087.98x = 202,045,791.50
  5. Step 5: Solve for x
    x = 202,045,791.50/12,087.98
  6. Step 6: Final answer
    x = 16,714.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.