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Finding the Fourth Proportional to 18,053.81, 24,917.70 and 12,095.87

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Solution

The fourth proportional to 18,053.81, 24,917.70 and 12,095.87 is: 16,694.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,053.81 : 24,917.70 = 12,095.87 : x
  2. Step 2: Convert to fraction form
    18,053.81/24,917.70 = 12,095.87/x
  3. Step 3: Cross multiply
    18,053.81x = 24,917.70 × 12,095.87
  4. Step 4: Simplify right side
    18,053.81x = 301,401,180.67
  5. Step 5: Solve for x
    x = 301,401,180.67/18,053.81
  6. Step 6: Final answer
    x = 16,694.60

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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.