Home / 25,091.25-34,631.33-15,021.94

Finding the Fourth Proportional to 25,091.25, 34,631.33 and 15,021.94

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Solution

The fourth proportional to 25,091.25, 34,631.33 and 15,021.94 is: 20,733.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,091.25 : 34,631.33 = 15,021.94 : x
  2. Step 2: Convert to fraction form
    25,091.25/34,631.33 = 15,021.94/x
  3. Step 3: Cross multiply
    25,091.25x = 34,631.33 × 15,021.94
  4. Step 4: Simplify right side
    25,091.25x = 520,229,599.69
  5. Step 5: Solve for x
    x = 520,229,599.69/25,091.25
  6. Step 6: Final answer
    x = 20,733.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.