Home / 17,195.65-23,728.21-10,121.65

Finding the Fourth Proportional to 17,195.65, 23,728.21 and 10,121.65

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Solution

The fourth proportional to 17,195.65, 23,728.21 and 10,121.65 is: 13,966.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,195.65 : 23,728.21 = 10,121.65 : x
  2. Step 2: Convert to fraction form
    17,195.65/23,728.21 = 10,121.65/x
  3. Step 3: Cross multiply
    17,195.65x = 23,728.21 × 10,121.65
  4. Step 4: Simplify right side
    17,195.65x = 240,168,636.75
  5. Step 5: Solve for x
    x = 240,168,636.75/17,195.65
  6. Step 6: Final answer
    x = 13,966.83

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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.