Home / 22,738.97-31,380.13-13,049.98

Finding the Fourth Proportional to 22,738.97, 31,380.13 and 13,049.98

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Solution

The fourth proportional to 22,738.97, 31,380.13 and 13,049.98 is: 18,009.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,738.97 : 31,380.13 = 13,049.98 : x
  2. Step 2: Convert to fraction form
    22,738.97/31,380.13 = 13,049.98/x
  3. Step 3: Cross multiply
    22,738.97x = 31,380.13 × 13,049.98
  4. Step 4: Simplify right side
    22,738.97x = 409,510,109.87
  5. Step 5: Solve for x
    x = 409,510,109.87/22,738.97
  6. Step 6: Final answer
    x = 18,009.17

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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.