Home / 17,819.87-26,750.48-10,429.62

Finding the Fourth Proportional to 17,819.87, 26,750.48 and 10,429.62

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Solution

The fourth proportional to 17,819.87, 26,750.48 and 10,429.62 is: 15,656.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,819.87 : 26,750.48 = 10,429.62 : x
  2. Step 2: Convert to fraction form
    17,819.87/26,750.48 = 10,429.62/x
  3. Step 3: Cross multiply
    17,819.87x = 26,750.48 × 10,429.62
  4. Step 4: Simplify right side
    17,819.87x = 278,997,289.07
  5. Step 5: Solve for x
    x = 278,997,289.07/17,819.87
  6. Step 6: Final answer
    x = 15,656.53

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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.