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Finding the Fourth Proportional to 18,111, 24,993.27 and 10,562.57

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Solution

The fourth proportional to 18,111, 24,993.27 and 10,562.57 is: 14,576.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111 : 24,993.27 = 10,562.57 : x
  2. Step 2: Convert to fraction form
    18,111/24,993.27 = 10,562.57/x
  3. Step 3: Cross multiply
    18,111x = 24,993.27 × 10,562.57
  4. Step 4: Simplify right side
    18,111x = 263,993,038.94
  5. Step 5: Solve for x
    x = 263,993,038.94/18,111
  6. Step 6: Final answer
    x = 14,576.39

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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.