Home / 15,819.66-23,730.21-5,290.56

Finding the Fourth Proportional to 15,819.66, 23,730.21 and 5,290.56

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Solution

The fourth proportional to 15,819.66, 23,730.21 and 5,290.56 is: 7,936.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,819.66 : 23,730.21 = 5,290.56 : x
  2. Step 2: Convert to fraction form
    15,819.66/23,730.21 = 5,290.56/x
  3. Step 3: Cross multiply
    15,819.66x = 23,730.21 × 5,290.56
  4. Step 4: Simplify right side
    15,819.66x = 125,546,099.82
  5. Step 5: Solve for x
    x = 125,546,099.82/15,819.66
  6. Step 6: Final answer
    x = 7,936.08

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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.