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Finding the Fourth Proportional to 18,497.83, 25,525.72 and 11,683.91

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Solution

The fourth proportional to 18,497.83, 25,525.72 and 11,683.91 is: 16,122.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,497.83 : 25,525.72 = 11,683.91 : x
  2. Step 2: Convert to fraction form
    18,497.83/25,525.72 = 11,683.91/x
  3. Step 3: Cross multiply
    18,497.83x = 25,525.72 × 11,683.91
  4. Step 4: Simplify right side
    18,497.83x = 298,240,215.17
  5. Step 5: Solve for x
    x = 298,240,215.17/18,497.83
  6. Step 6: Final answer
    x = 16,122.98

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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.