Home / 16,063.63-22,167.80-8,991.41

Finding the Fourth Proportional to 16,063.63, 22,167.80 and 8,991.41

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Solution

The fourth proportional to 16,063.63, 22,167.80 and 8,991.41 is: 12,408.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,063.63 : 22,167.80 = 8,991.41 : x
  2. Step 2: Convert to fraction form
    16,063.63/22,167.80 = 8,991.41/x
  3. Step 3: Cross multiply
    16,063.63x = 22,167.80 × 8,991.41
  4. Step 4: Simplify right side
    16,063.63x = 199,319,778.60
  5. Step 5: Solve for x
    x = 199,319,778.60/16,063.63
  6. Step 6: Final answer
    x = 12,408.14

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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.