Home / 17,242.65-25,788.42-15,981.60

Finding the Fourth Proportional to 17,242.65, 25,788.42 and 15,981.60

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Solution

The fourth proportional to 17,242.65, 25,788.42 and 15,981.60 is: 23,902.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,242.65 : 25,788.42 = 15,981.60 : x
  2. Step 2: Convert to fraction form
    17,242.65/25,788.42 = 15,981.60/x
  3. Step 3: Cross multiply
    17,242.65x = 25,788.42 × 15,981.60
  4. Step 4: Simplify right side
    17,242.65x = 412,140,213.07
  5. Step 5: Solve for x
    x = 412,140,213.07/17,242.65
  6. Step 6: Final answer
    x = 23,902.37

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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.