Home / 45,895.27-68,843.67-12,615.13

Finding the Fourth Proportional to 45,895.27, 68,843.67 and 12,615.13

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Solution

The fourth proportional to 45,895.27, 68,843.67 and 12,615.13 is: 18,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,895.27 : 68,843.67 = 12,615.13 : x
  2. Step 2: Convert to fraction form
    45,895.27/68,843.67 = 12,615.13/x
  3. Step 3: Cross multiply
    45,895.27x = 68,843.67 × 12,615.13
  4. Step 4: Simplify right side
    45,895.27x = 868,471,783.65
  5. Step 5: Solve for x
    x = 868,471,783.65/45,895.27
  6. Step 6: Final answer
    x = 18,922.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.