Home / 19,840.29-29,757.18-7,357.38

Finding the Fourth Proportional to 19,840.29, 29,757.18 and 7,357.38

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Solution

The fourth proportional to 19,840.29, 29,757.18 and 7,357.38 is: 11,034.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,840.29 : 29,757.18 = 7,357.38 : x
  2. Step 2: Convert to fraction form
    19,840.29/29,757.18 = 7,357.38/x
  3. Step 3: Cross multiply
    19,840.29x = 29,757.18 × 7,357.38
  4. Step 4: Simplify right side
    19,840.29x = 218,934,880.99
  5. Step 5: Solve for x
    x = 218,934,880.99/19,840.29
  6. Step 6: Final answer
    x = 11,034.86

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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.