Home / 13,436.34-20,063.97-10,976.02

Finding the Fourth Proportional to 13,436.34, 20,063.97 and 10,976.02

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Solution

The fourth proportional to 13,436.34, 20,063.97 and 10,976.02 is: 16,390.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,436.34 : 20,063.97 = 10,976.02 : x
  2. Step 2: Convert to fraction form
    13,436.34/20,063.97 = 10,976.02/x
  3. Step 3: Cross multiply
    13,436.34x = 20,063.97 × 10,976.02
  4. Step 4: Simplify right side
    13,436.34x = 220,222,481.12
  5. Step 5: Solve for x
    x = 220,222,481.12/13,436.34
  6. Step 6: Final answer
    x = 16,390.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.