Home / 19,338.66-29,014.90-11,934.50

Finding the Fourth Proportional to 19,338.66, 29,014.90 and 11,934.50

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Solution

The fourth proportional to 19,338.66, 29,014.90 and 11,934.50 is: 17,906.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,338.66 : 29,014.90 = 11,934.50 : x
  2. Step 2: Convert to fraction form
    19,338.66/29,014.90 = 11,934.50/x
  3. Step 3: Cross multiply
    19,338.66x = 29,014.90 × 11,934.50
  4. Step 4: Simplify right side
    19,338.66x = 346,278,324.05
  5. Step 5: Solve for x
    x = 346,278,324.05/19,338.66
  6. Step 6: Final answer
    x = 17,906.01

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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.