Home / 25,829.05-38,742.20-8,297.51

Finding the Fourth Proportional to 25,829.05, 38,742.20 and 8,297.51

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Solution

The fourth proportional to 25,829.05, 38,742.20 and 8,297.51 is: 12,445.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,829.05 : 38,742.20 = 8,297.51 : x
  2. Step 2: Convert to fraction form
    25,829.05/38,742.20 = 8,297.51/x
  3. Step 3: Cross multiply
    25,829.05x = 38,742.20 × 8,297.51
  4. Step 4: Simplify right side
    25,829.05x = 321,463,791.92
  5. Step 5: Solve for x
    x = 321,463,791.92/25,829.05
  6. Step 6: Final answer
    x = 12,445.82

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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.