Home / 16,140.33-22,246.25-12,310.65

Finding the Fourth Proportional to 16,140.33, 22,246.25 and 12,310.65

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Solution

The fourth proportional to 16,140.33, 22,246.25 and 12,310.65 is: 16,967.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,140.33 : 22,246.25 = 12,310.65 : x
  2. Step 2: Convert to fraction form
    16,140.33/22,246.25 = 12,310.65/x
  3. Step 3: Cross multiply
    16,140.33x = 22,246.25 × 12,310.65
  4. Step 4: Simplify right side
    16,140.33x = 273,865,736.01
  5. Step 5: Solve for x
    x = 273,865,736.01/16,140.33
  6. Step 6: Final answer
    x = 16,967.79

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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.