Home / 19,938.82-29,913.69-5,899.54

Finding the Fourth Proportional to 19,938.82, 29,913.69 and 5,899.54

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Solution

The fourth proportional to 19,938.82, 29,913.69 and 5,899.54 is: 8,850.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938.82 : 29,913.69 = 5,899.54 : x
  2. Step 2: Convert to fraction form
    19,938.82/29,913.69 = 5,899.54/x
  3. Step 3: Cross multiply
    19,938.82x = 29,913.69 × 5,899.54
  4. Step 4: Simplify right side
    19,938.82x = 176,477,010.70
  5. Step 5: Solve for x
    x = 176,477,010.70/19,938.82
  6. Step 6: Final answer
    x = 8,850.93

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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.