Home / 13,371.93-18,443.84-8,893.44

Finding the Fourth Proportional to 13,371.93, 18,443.84 and 8,893.44

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Solution

The fourth proportional to 13,371.93, 18,443.84 and 8,893.44 is: 12,266.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,371.93 : 18,443.84 = 8,893.44 : x
  2. Step 2: Convert to fraction form
    13,371.93/18,443.84 = 8,893.44/x
  3. Step 3: Cross multiply
    13,371.93x = 18,443.84 × 8,893.44
  4. Step 4: Simplify right side
    13,371.93x = 164,029,139.94
  5. Step 5: Solve for x
    x = 164,029,139.94/13,371.93
  6. Step 6: Final answer
    x = 12,266.68

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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.