Home / 19,519.92-29,272.05-7,035.53

Finding the Fourth Proportional to 19,519.92, 29,272.05 and 7,035.53

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Solution

The fourth proportional to 19,519.92, 29,272.05 and 7,035.53 is: 10,550.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,519.92 : 29,272.05 = 7,035.53 : x
  2. Step 2: Convert to fraction form
    19,519.92/29,272.05 = 7,035.53/x
  3. Step 3: Cross multiply
    19,519.92x = 29,272.05 × 7,035.53
  4. Step 4: Simplify right side
    19,519.92x = 205,944,239.58
  5. Step 5: Solve for x
    x = 205,944,239.58/19,519.92
  6. Step 6: Final answer
    x = 10,550.47

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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.