Home / 18,529.88-27,797.69-6,220.76

Finding the Fourth Proportional to 18,529.88, 27,797.69 and 6,220.76

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Solution

The fourth proportional to 18,529.88, 27,797.69 and 6,220.76 is: 9,332.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.88 : 27,797.69 = 6,220.76 : x
  2. Step 2: Convert to fraction form
    18,529.88/27,797.69 = 6,220.76/x
  3. Step 3: Cross multiply
    18,529.88x = 27,797.69 × 6,220.76
  4. Step 4: Simplify right side
    18,529.88x = 172,922,634.61
  5. Step 5: Solve for x
    x = 172,922,634.61/18,529.88
  6. Step 6: Final answer
    x = 9,332.10

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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.