Home / 18,623.22-27,934.82-5,475.70

Finding the Fourth Proportional to 18,623.22, 27,934.82 and 5,475.70

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Solution

The fourth proportional to 18,623.22, 27,934.82 and 5,475.70 is: 8,213.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.22 : 27,934.82 = 5,475.70 : x
  2. Step 2: Convert to fraction form
    18,623.22/27,934.82 = 5,475.70/x
  3. Step 3: Cross multiply
    18,623.22x = 27,934.82 × 5,475.70
  4. Step 4: Simplify right side
    18,623.22x = 152,962,693.87
  5. Step 5: Solve for x
    x = 152,962,693.87/18,623.22
  6. Step 6: Final answer
    x = 8,213.55

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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.