Home / 13,544.48-18,694.86-8,243.04

Finding the Fourth Proportional to 13,544.48, 18,694.86 and 8,243.04

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Solution

The fourth proportional to 13,544.48, 18,694.86 and 8,243.04 is: 11,377.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.48 : 18,694.86 = 8,243.04 : x
  2. Step 2: Convert to fraction form
    13,544.48/18,694.86 = 8,243.04/x
  3. Step 3: Cross multiply
    13,544.48x = 18,694.86 × 8,243.04
  4. Step 4: Simplify right side
    13,544.48x = 154,102,478.77
  5. Step 5: Solve for x
    x = 154,102,478.77/13,544.48
  6. Step 6: Final answer
    x = 11,377.51

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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.