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Finding the Fourth Proportional to 16,612.65, 24,918.98 and 13,683.69

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Solution

The fourth proportional to 16,612.65, 24,918.98 and 13,683.69 is: 20,525.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,612.65 : 24,918.98 = 13,683.69 : x
  2. Step 2: Convert to fraction form
    16,612.65/24,918.98 = 13,683.69/x
  3. Step 3: Cross multiply
    16,612.65x = 24,918.98 × 13,683.69
  4. Step 4: Simplify right side
    16,612.65x = 340,983,529.02
  5. Step 5: Solve for x
    x = 340,983,529.02/16,612.65
  6. Step 6: Final answer
    x = 20,525.54

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Similar ratio
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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.