Home / 25,185.41-34,755.88-13,855.77

Finding the Fourth Proportional to 25,185.41, 34,755.88 and 13,855.77

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Solution

The fourth proportional to 25,185.41, 34,755.88 and 13,855.77 is: 19,120.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,185.41 : 34,755.88 = 13,855.77 : x
  2. Step 2: Convert to fraction form
    25,185.41/34,755.88 = 13,855.77/x
  3. Step 3: Cross multiply
    25,185.41x = 34,755.88 × 13,855.77
  4. Step 4: Simplify right side
    25,185.41x = 481,569,444.79
  5. Step 5: Solve for x
    x = 481,569,444.79/25,185.41
  6. Step 6: Final answer
    x = 19,120.97

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1.5x scale

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.