Home / 19,958.54-29,938.10-5,919.99

Finding the Fourth Proportional to 19,958.54, 29,938.10 and 5,919.99

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Solution

The fourth proportional to 19,958.54, 29,938.10 and 5,919.99 is: 8,880.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958.54 : 29,938.10 = 5,919.99 : x
  2. Step 2: Convert to fraction form
    19,958.54/29,938.10 = 5,919.99/x
  3. Step 3: Cross multiply
    19,958.54x = 29,938.10 × 5,919.99
  4. Step 4: Simplify right side
    19,958.54x = 177,233,223.02
  5. Step 5: Solve for x
    x = 177,233,223.02/19,958.54
  6. Step 6: Final answer
    x = 8,880.07

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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.