Home / 14,310.72-21,465.60-3,922.44

Finding the Fourth Proportional to 14,310.72, 21,465.60 and 3,922.44

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Solution

The fourth proportional to 14,310.72, 21,465.60 and 3,922.44 is: 5,883.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,310.72 : 21,465.60 = 3,922.44 : x
  2. Step 2: Convert to fraction form
    14,310.72/21,465.60 = 3,922.44/x
  3. Step 3: Cross multiply
    14,310.72x = 21,465.60 × 3,922.44
  4. Step 4: Simplify right side
    14,310.72x = 84,197,528.06
  5. Step 5: Solve for x
    x = 84,197,528.06/14,310.72
  6. Step 6: Final answer
    x = 5,883.53

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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.