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Finding the Fourth Proportional to 13,595.38, 18,761.49 and 7,626.92

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Solution

The fourth proportional to 13,595.38, 18,761.49 and 7,626.92 is: 10,525.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,595.38 : 18,761.49 = 7,626.92 : x
  2. Step 2: Convert to fraction form
    13,595.38/18,761.49 = 7,626.92/x
  3. Step 3: Cross multiply
    13,595.38x = 18,761.49 × 7,626.92
  4. Step 4: Simplify right side
    13,595.38x = 143,092,289.50
  5. Step 5: Solve for x
    x = 143,092,289.50/13,595.38
  6. Step 6: Final answer
    x = 10,525.07

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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.