Home / 22,239.44-30,690.17-12,167.77

Finding the Fourth Proportional to 22,239.44, 30,690.17 and 12,167.77

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Solution

The fourth proportional to 22,239.44, 30,690.17 and 12,167.77 is: 16,791.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,239.44 : 30,690.17 = 12,167.77 : x
  2. Step 2: Convert to fraction form
    22,239.44/30,690.17 = 12,167.77/x
  3. Step 3: Cross multiply
    22,239.44x = 30,690.17 × 12,167.77
  4. Step 4: Simplify right side
    22,239.44x = 373,430,963.87
  5. Step 5: Solve for x
    x = 373,430,963.87/22,239.44
  6. Step 6: Final answer
    x = 16,791.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.