Home / 18,529.50-27,797.13-6,220.38

Finding the Fourth Proportional to 18,529.50, 27,797.13 and 6,220.38

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Solution

The fourth proportional to 18,529.50, 27,797.13 and 6,220.38 is: 9,331.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.50 : 27,797.13 = 6,220.38 : x
  2. Step 2: Convert to fraction form
    18,529.50/27,797.13 = 6,220.38/x
  3. Step 3: Cross multiply
    18,529.50x = 27,797.13 × 6,220.38
  4. Step 4: Simplify right side
    18,529.50x = 172,908,711.51
  5. Step 5: Solve for x
    x = 172,908,711.51/18,529.50
  6. Step 6: Final answer
    x = 9,331.54

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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.