Home / 14,469.50-19,932.19-12,338.09

Finding the Fourth Proportional to 14,469.50, 19,932.19 and 12,338.09

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Solution

The fourth proportional to 14,469.50, 19,932.19 and 12,338.09 is: 16,996.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,469.50 : 19,932.19 = 12,338.09 : x
  2. Step 2: Convert to fraction form
    14,469.50/19,932.19 = 12,338.09/x
  3. Step 3: Cross multiply
    14,469.50x = 19,932.19 × 12,338.09
  4. Step 4: Simplify right side
    14,469.50x = 245,925,154.12
  5. Step 5: Solve for x
    x = 245,925,154.12/14,469.50
  6. Step 6: Final answer
    x = 16,996.11

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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.