Home / 17,121.98-23,631.04-10,409.70

Finding the Fourth Proportional to 17,121.98, 23,631.04 and 10,409.70

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Solution

The fourth proportional to 17,121.98, 23,631.04 and 10,409.70 is: 14,367.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,121.98 : 23,631.04 = 10,409.70 : x
  2. Step 2: Convert to fraction form
    17,121.98/23,631.04 = 10,409.70/x
  3. Step 3: Cross multiply
    17,121.98x = 23,631.04 × 10,409.70
  4. Step 4: Simplify right side
    17,121.98x = 245,992,037.09
  5. Step 5: Solve for x
    x = 245,992,037.09/17,121.98
  6. Step 6: Final answer
    x = 14,367.03

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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.