Home / 16,164.63-22,321.94-12,178.85

Finding the Fourth Proportional to 16,164.63, 22,321.94 and 12,178.85

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Solution

The fourth proportional to 16,164.63, 22,321.94 and 12,178.85 is: 16,817.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,164.63 : 22,321.94 = 12,178.85 : x
  2. Step 2: Convert to fraction form
    16,164.63/22,321.94 = 12,178.85/x
  3. Step 3: Cross multiply
    16,164.63x = 22,321.94 × 12,178.85
  4. Step 4: Simplify right side
    16,164.63x = 271,855,386.47
  5. Step 5: Solve for x
    x = 271,855,386.47/16,164.63
  6. Step 6: Final answer
    x = 16,817.92

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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.