Home / 13,707.92-20,553.23-11,628.66

Finding the Fourth Proportional to 13,707.92, 20,553.23 and 11,628.66

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Solution

The fourth proportional to 13,707.92, 20,553.23 and 11,628.66 is: 17,435.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,707.92 : 20,553.23 = 11,628.66 : x
  2. Step 2: Convert to fraction form
    13,707.92/20,553.23 = 11,628.66/x
  3. Step 3: Cross multiply
    13,707.92x = 20,553.23 × 11,628.66
  4. Step 4: Simplify right side
    13,707.92x = 239,006,523.57
  5. Step 5: Solve for x
    x = 239,006,523.57/13,707.92
  6. Step 6: Final answer
    x = 17,435.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.