Home / 17,186.65-25,728.09-15,543.97

Finding the Fourth Proportional to 17,186.65, 25,728.09 and 15,543.97

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Solution

The fourth proportional to 17,186.65, 25,728.09 and 15,543.97 is: 23,269.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,186.65 : 25,728.09 = 15,543.97 : x
  2. Step 2: Convert to fraction form
    17,186.65/25,728.09 = 15,543.97/x
  3. Step 3: Cross multiply
    17,186.65x = 25,728.09 × 15,543.97
  4. Step 4: Simplify right side
    17,186.65x = 399,916,659.12
  5. Step 5: Solve for x
    x = 399,916,659.12/17,186.65
  6. Step 6: Final answer
    x = 23,269.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.