Home / 25,190.15-34,762.41-13,859.41

Finding the Fourth Proportional to 25,190.15, 34,762.41 and 13,859.41

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Solution

The fourth proportional to 25,190.15, 34,762.41 and 13,859.41 is: 19,125.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,190.15 : 34,762.41 = 13,859.41 : x
  2. Step 2: Convert to fraction form
    25,190.15/34,762.41 = 13,859.41/x
  3. Step 3: Cross multiply
    25,190.15x = 34,762.41 × 13,859.41
  4. Step 4: Simplify right side
    25,190.15x = 481,786,492.78
  5. Step 5: Solve for x
    x = 481,786,492.78/25,190.15
  6. Step 6: Final answer
    x = 19,125.99

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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.