Home / 25,601.31-38,401.97-8,072.51

Finding the Fourth Proportional to 25,601.31, 38,401.97 and 8,072.51

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Solution

The fourth proportional to 25,601.31, 38,401.97 and 8,072.51 is: 12,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,601.31 : 38,401.97 = 8,072.51 : x
  2. Step 2: Convert to fraction form
    25,601.31/38,401.97 = 8,072.51/x
  3. Step 3: Cross multiply
    25,601.31x = 38,401.97 × 8,072.51
  4. Step 4: Simplify right side
    25,601.31x = 310,000,054.47
  5. Step 5: Solve for x
    x = 310,000,054.47/25,601.31
  6. Step 6: Final answer
    x = 12,108.76

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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.