Home / 38,401.97-57,602.95-12,108.76

Finding the Fourth Proportional to 38,401.97, 57,602.95 and 12,108.76

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Solution

The fourth proportional to 38,401.97, 57,602.95 and 12,108.76 is: 18,163.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,401.97 : 57,602.95 = 12,108.76 : x
  2. Step 2: Convert to fraction form
    38,401.97/57,602.95 = 12,108.76/x
  3. Step 3: Cross multiply
    38,401.97x = 57,602.95 × 12,108.76
  4. Step 4: Simplify right side
    38,401.97x = 697,500,122.56
  5. Step 5: Solve for x
    x = 697,500,122.56/38,401.97
  6. Step 6: Final answer
    x = 18,163.14

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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.