Home / 14,122.62-21,192.30-5,364.90

Finding the Fourth Proportional to 14,122.62, 21,192.30 and 5,364.90

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Solution

The fourth proportional to 14,122.62, 21,192.30 and 5,364.90 is: 8,050.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,122.62 : 21,192.30 = 5,364.90 : x
  2. Step 2: Convert to fraction form
    14,122.62/21,192.30 = 5,364.90/x
  3. Step 3: Cross multiply
    14,122.62x = 21,192.30 × 5,364.90
  4. Step 4: Simplify right side
    14,122.62x = 113,694,570.27
  5. Step 5: Solve for x
    x = 113,694,570.27/14,122.62
  6. Step 6: Final answer
    x = 8,050.53

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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.