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Finding the Fourth Proportional to 18,009.57, 24,846.27 and 11,283.51

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Solution

The fourth proportional to 18,009.57, 24,846.27 and 11,283.51 is: 15,566.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,009.57 : 24,846.27 = 11,283.51 : x
  2. Step 2: Convert to fraction form
    18,009.57/24,846.27 = 11,283.51/x
  3. Step 3: Cross multiply
    18,009.57x = 24,846.27 × 11,283.51
  4. Step 4: Simplify right side
    18,009.57x = 280,353,136.01
  5. Step 5: Solve for x
    x = 280,353,136.01/18,009.57
  6. Step 6: Final answer
    x = 15,566.90

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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.