Home / 19,391.43-29,087.78-5,352.51

Finding the Fourth Proportional to 19,391.43, 29,087.78 and 5,352.51

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Solution

The fourth proportional to 19,391.43, 29,087.78 and 5,352.51 is: 8,028.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,391.43 : 29,087.78 = 5,352.51 : x
  2. Step 2: Convert to fraction form
    19,391.43/29,087.78 = 5,352.51/x
  3. Step 3: Cross multiply
    19,391.43x = 29,087.78 × 5,352.51
  4. Step 4: Simplify right side
    19,391.43x = 155,692,606.57
  5. Step 5: Solve for x
    x = 155,692,606.57/19,391.43
  6. Step 6: Final answer
    x = 8,028.94

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1.5x scale

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.