Home / 13,104.33-18,063.56-10,976.11

Finding the Fourth Proportional to 13,104.33, 18,063.56 and 10,976.11

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Solution

The fourth proportional to 13,104.33, 18,063.56 and 10,976.11 is: 15,129.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,104.33 : 18,063.56 = 10,976.11 : x
  2. Step 2: Convert to fraction form
    13,104.33/18,063.56 = 10,976.11/x
  3. Step 3: Cross multiply
    13,104.33x = 18,063.56 × 10,976.11
  4. Step 4: Simplify right side
    13,104.33x = 198,267,542.09
  5. Step 5: Solve for x
    x = 198,267,542.09/13,104.33
  6. Step 6: Final answer
    x = 15,129.92

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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.