Home / 13,604.36-18,767.31-8,562.92

Finding the Fourth Proportional to 13,604.36, 18,767.31 and 8,562.92

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Solution

The fourth proportional to 13,604.36, 18,767.31 and 8,562.92 is: 11,812.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.36 : 18,767.31 = 8,562.92 : x
  2. Step 2: Convert to fraction form
    13,604.36/18,767.31 = 8,562.92/x
  3. Step 3: Cross multiply
    13,604.36x = 18,767.31 × 8,562.92
  4. Step 4: Simplify right side
    13,604.36x = 160,702,974.15
  5. Step 5: Solve for x
    x = 160,702,974.15/13,604.36
  6. Step 6: Final answer
    x = 11,812.61

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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.