Home / 16,515.90-22,795.26-11,212.44

Finding the Fourth Proportional to 16,515.90, 22,795.26 and 11,212.44

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Solution

The fourth proportional to 16,515.90, 22,795.26 and 11,212.44 is: 15,475.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,515.90 : 22,795.26 = 11,212.44 : x
  2. Step 2: Convert to fraction form
    16,515.90/22,795.26 = 11,212.44/x
  3. Step 3: Cross multiply
    16,515.90x = 22,795.26 × 11,212.44
  4. Step 4: Simplify right side
    16,515.90x = 255,590,485.03
  5. Step 5: Solve for x
    x = 255,590,485.03/16,515.90
  6. Step 6: Final answer
    x = 15,475.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.